diff --git a/code/__DEFINES/admin.dm b/code/__DEFINES/admin.dm
index fbc223f62a5c..7eb6f0151086 100644
--- a/code/__DEFINES/admin.dm
+++ b/code/__DEFINES/admin.dm
@@ -53,6 +53,7 @@
 #define ADMIN_KICK(user) "(<a href='?_src_=holder;[HrefToken(forceGlobal = TRUE)];boot2=[REF(user)]'>KICK</a>)"
 #define ADMIN_CENTCOM_REPLY(user) "(<a href='?_src_=holder;[HrefToken(forceGlobal = TRUE)];CentComReply=[REF(user)]'>RPLY</a>)"
 #define ADMIN_SYNDICATE_REPLY(user) "(<a href='?_src_=holder;[HrefToken(forceGlobal = TRUE)];SyndicateReply=[REF(user)]'>RPLY</a>)"
+#define ADMIN_MU_REPLY(user) "(<a href='?_src_=holder;[HrefToken(forceGlobal = TRUE)];MuReply=[REF(user)]'>RPLY</a>)" //NON-MODULE CHANGE
 #define ADMIN_SC(user) "(<a href='?_src_=holder;[HrefToken(forceGlobal = TRUE)];adminspawncookie=[REF(user)]'>SC</a>)"
 #define ADMIN_SMITE(user) "(<a href='?_src_=holder;[HrefToken(forceGlobal = TRUE)];adminsmite=[REF(user)]'>SMITE</a>)"
 #define ADMIN_LOOKUP(user) "[key_name_admin(user)][ADMIN_QUE(user)]"
diff --git a/code/__DEFINES/radio.dm b/code/__DEFINES/radio.dm
index 686c42e07d07..8ef5893f895f 100644
--- a/code/__DEFINES/radio.dm
+++ b/code/__DEFINES/radio.dm
@@ -74,6 +74,14 @@
 #define FREQ_ENGINEERING 1357 // Engineering comms frequency, orange
 #define FREQ_SECURITY 1359 // Security comms frequency, red
 
+//NON-MODULE CHANGE START : Mu radio, f is used because F, K, Q and W are the only available radio keys.
+#define RADIO_CHANNEL_MU "Mu"
+#define RADIO_KEY_MU "f"
+#define RADIO_TOKEN_MU ":f"
+
+#define FREQ_MU 1401
+//NON-MODULE CHANGE END
+
 #define FREQ_HOLOGRID_SOLUTION 1433
 #define FREQ_STATUS_DISPLAYS 1435
 
diff --git a/code/__DEFINES/span.dm b/code/__DEFINES/span.dm
index fb9e130e9fd6..8d0830c15b9c 100644
--- a/code/__DEFINES/span.dm
+++ b/code/__DEFINES/span.dm
@@ -82,6 +82,7 @@
 #define span_minorannounce(str) ("<span class='minorannounce'>" + str + "</span>")
 #define span_minoralert(str) ("<span class='minoralert'>" + str + "</span>")
 #define span_monkey(str) ("<span class='monkey'>" + str + "</span>")
+#define span_muradio(str) ("<span class='muradio'>" + str + "</span>") //NON-MODULE CHANGE
 #define span_name(str) ("<span class='name'>" + str + "</span>")
 #define span_narsie(str) ("<span class='narsie'>" + str + "</span>")
 #define span_narsiesmall(str) ("<span class='narsiesmall'>" + str + "</span>")
diff --git a/code/controllers/subsystem/blackbox.dm b/code/controllers/subsystem/blackbox.dm
index 8c5fd154805a..74e07b759a4c 100644
--- a/code/controllers/subsystem/blackbox.dm
+++ b/code/controllers/subsystem/blackbox.dm
@@ -151,6 +151,10 @@ SUBSYSTEM_DEF(blackbox)
 			record_feedback("tally", "radio_usage", 1, "supply")
 		if(FREQ_CENTCOM)
 			record_feedback("tally", "radio_usage", 1, "centcom")
+		//NON-MODULE CHANGE START
+		if(FREQ_MU)
+			record_feedback("tally", "radio_usage", 1, "mu")
+		//NON-MODULE CHANGE END
 		if(FREQ_AI_PRIVATE)
 			record_feedback("tally", "radio_usage", 1, "ai private")
 		if(FREQ_CTF_RED)
diff --git a/code/game/communications.dm b/code/game/communications.dm
index 0be3ccf17bc0..dcd539f7e126 100644
--- a/code/game/communications.dm
+++ b/code/game/communications.dm
@@ -99,6 +99,7 @@ GLOBAL_LIST_INIT(radiochannels, list(
 	RADIO_CHANNEL_ENGINEERING = FREQ_ENGINEERING,
 	RADIO_CHANNEL_SECURITY = FREQ_SECURITY,
 	RADIO_CHANNEL_CENTCOM = FREQ_CENTCOM,
+	RADIO_CHANNEL_MU = FREQ_MU, //NON-MODULE CHANGE
 	RADIO_CHANNEL_SYNDICATE = FREQ_SYNDICATE,
 	RADIO_CHANNEL_UPLINK = FREQ_UPLINK,
 	RADIO_CHANNEL_SUPPLY = FREQ_SUPPLY,
@@ -118,6 +119,7 @@ GLOBAL_LIST_INIT(reverseradiochannels, list(
 	"[FREQ_ENGINEERING]" = RADIO_CHANNEL_ENGINEERING,
 	"[FREQ_SECURITY]" = RADIO_CHANNEL_SECURITY,
 	"[FREQ_CENTCOM]" = RADIO_CHANNEL_CENTCOM,
+	"[FREQ_MU]" = RADIO_CHANNEL_MU, // NON-MODULE CHANGE
 	"[FREQ_SYNDICATE]" = RADIO_CHANNEL_SYNDICATE,
 	"[FREQ_UPLINK]" = RADIO_CHANNEL_UPLINK,
 	"[FREQ_SUPPLY]" = RADIO_CHANNEL_SUPPLY,
diff --git a/code/game/machinery/computer/communications.dm b/code/game/machinery/computer/communications.dm
index 70c9783c3b4a..8bd69b7460bd 100644
--- a/code/game/machinery/computer/communications.dm
+++ b/code/game/machinery/computer/communications.dm
@@ -254,6 +254,23 @@
 			usr.log_talk(message, LOG_SAY, tag = "message to [associates]")
 			deadchat_broadcast(" has messaged [associates], \"[message]\" at [span_name("[get_area_name(usr, TRUE)]")].", span_name("[usr.real_name]"), usr, message_type = DEADCHAT_ANNOUNCEMENT)
 			COOLDOWN_START(src, important_action_cooldown, IMPORTANT_ACTION_COOLDOWN)
+		//NON-MODULE CHANGE START
+		if ("messageMu")
+			if (!authenticated_as_non_silicon_captain(usr))
+				return
+			if (!COOLDOWN_FINISHED(src, important_action_cooldown))
+				return
+
+			playsound(src, 'sound/machines/terminal_prompt_confirm.ogg', 50, FALSE)
+			var/message = trim(html_encode(params["message"]), MAX_MESSAGE_LEN)
+
+			message_mu(message, usr)
+			to_chat(usr, span_notice("Message transmitted to Aristocracy of Mu."))
+
+			usr.log_talk(message, LOG_SAY, tag = "message to Mu")
+			deadchat_broadcast(" has messaged Mu, \"[message]\" at [span_name("[get_area_name(usr, TRUE)]")].", span_name("[usr.real_name]"), usr, message_type = DEADCHAT_ANNOUNCEMENT)
+			COOLDOWN_START(src, important_action_cooldown, IMPORTANT_ACTION_COOLDOWN)
+		//NON-MODULE CHANGE END
 		if ("purchaseShuttle")
 			var/can_buy_shuttles_or_fail_reason = can_buy_shuttles(usr)
 			if (can_buy_shuttles_or_fail_reason != TRUE)
@@ -538,6 +555,7 @@
 				data["canBuyShuttles"] = can_buy_shuttles(user)
 				data["canMakeAnnouncement"] = FALSE
 				data["canMessageAssociates"] = FALSE
+				data["canMessageMu"] = FALSE //NON-MODULE CHANGE
 				data["canRecallShuttles"] = !issilicon(user)
 				data["canRequestNuke"] = FALSE
 				data["canSendToSectors"] = FALSE
@@ -556,6 +574,7 @@
 
 				if (authenticated_as_non_silicon_captain(user))
 					data["canMessageAssociates"] = TRUE
+					data["canMessageMu"] = TRUE //NON-MODULE CHANGE
 					data["canRequestNuke"] = TRUE
 
 				if (can_send_messages_to_other_sectors(user))
diff --git a/code/game/machinery/telecomms/machine_interactions.dm b/code/game/machinery/telecomms/machine_interactions.dm
index 3fb862716996..fe0c2804b28e 100644
--- a/code/game/machinery/telecomms/machine_interactions.dm
+++ b/code/game/machinery/telecomms/machine_interactions.dm
@@ -9,6 +9,7 @@
 	var/list/banned_frequencies = list(
 		FREQ_SYNDICATE,
 		FREQ_CENTCOM,
+		FREQ_MU, //NON-MODULE CHANGE
 		FREQ_CTF_RED,
 		FREQ_CTF_YELLOW,
 		FREQ_CTF_GREEN,
diff --git a/code/game/objects/items/devices/radio/headset.dm b/code/game/objects/items/devices/radio/headset.dm
index 87ab06976c9e..7150ffdbc1c7 100644
--- a/code/game/objects/items/devices/radio/headset.dm
+++ b/code/game/objects/items/devices/radio/headset.dm
@@ -7,6 +7,7 @@ GLOBAL_LIST_INIT(channel_tokens, list(
 	RADIO_CHANNEL_ENGINEERING = RADIO_TOKEN_ENGINEERING,
 	RADIO_CHANNEL_SECURITY = RADIO_TOKEN_SECURITY,
 	RADIO_CHANNEL_CENTCOM = RADIO_TOKEN_CENTCOM,
+	RADIO_CHANNEL_MU = RADIO_TOKEN_MU, //NON-MODULE CHANGE
 	RADIO_CHANNEL_SYNDICATE = RADIO_TOKEN_SYNDICATE,
 	RADIO_CHANNEL_SUPPLY = RADIO_TOKEN_SUPPLY,
 	RADIO_CHANNEL_SERVICE = RADIO_TOKEN_SERVICE,
diff --git a/code/game/objects/items/devices/radio/radio.dm b/code/game/objects/items/devices/radio/radio.dm
index 67369d91a17e..919b24a5dbc5 100644
--- a/code/game/objects/items/devices/radio/radio.dm
+++ b/code/game/objects/items/devices/radio/radio.dm
@@ -326,7 +326,8 @@
 	var/datum/signal/subspace/vocal/signal = new(src, freq, speaker, language, radio_message, spans, message_mods)
 
 	// Independent radios, on the CentCom frequency, reach all independent radios
-	if (independent && (freq == FREQ_CENTCOM || freq == FREQ_CTF_RED || freq == FREQ_CTF_BLUE || freq == FREQ_CTF_GREEN || freq == FREQ_CTF_YELLOW))
+	//NON-MODULE CHANGE : Adds Mu to the list of frequencies
+	if (independent && (freq == FREQ_CENTCOM || freq == FREQ_MU || freq == FREQ_CTF_RED || freq == FREQ_CTF_BLUE || freq == FREQ_CTF_GREEN || freq == FREQ_CTF_YELLOW))
 		signal.data["compression"] = 0
 		signal.transmission_method = TRANSMISSION_SUPERSPACE
 		signal.levels = list(0)
diff --git a/code/game/say.dm b/code/game/say.dm
index e6ea129d5a08..c16c35c6b161 100644
--- a/code/game/say.dm
+++ b/code/game/say.dm
@@ -15,6 +15,7 @@ GLOBAL_LIST_INIT(freqtospan, list(
 	"[FREQ_SYNDICATE]" = "syndradio",
 	"[FREQ_UPLINK]" = "syndradio",  // this probably shouldnt appear ingame
 	"[FREQ_CENTCOM]" = "centcomradio",
+	"[FREQ_MU]" = "muradio",
 	"[FREQ_CTF_RED]" = "redteamradio",
 	"[FREQ_CTF_BLUE]" = "blueteamradio",
 	"[FREQ_CTF_GREEN]" = "greenteamradio",
diff --git a/code/modules/admin/topic.dm b/code/modules/admin/topic.dm
index 6196e2c94b60..e5cd0cf21e5e 100644
--- a/code/modules/admin/topic.dm
+++ b/code/modules/admin/topic.dm
@@ -1003,6 +1003,15 @@
 		var/mob/M = locate(href_list["SyndicateReply"])
 		usr.client.admin_headset_message(M, RADIO_CHANNEL_SYNDICATE)
 
+	//NON-MODULE CHANGE START
+	else if(href_list["MuReply"])
+		if(!check_rights(R_ADMIN))
+			return
+
+		var/mob/M = locate(href_list["MuReply"])
+		usr.client.admin_headset_message(M, RADIO_CHANNEL_MU)
+	//NON-MODULE CHANGE END
+
 	else if(href_list["HeadsetMessage"])
 		if(!check_rights(R_ADMIN))
 			return
diff --git a/code/modules/admin/verbs/adminevents.dm b/code/modules/admin/verbs/adminevents.dm
index f69e891625a6..7abddfbd2f86 100644
--- a/code/modules/admin/verbs/adminevents.dm
+++ b/code/modules/admin/verbs/adminevents.dm
@@ -56,7 +56,7 @@
 		return
 
 	if (!sender)
-		sender = input("Who is the message from?", "Sender") as null|anything in list(RADIO_CHANNEL_CENTCOM,RADIO_CHANNEL_SYNDICATE)
+		sender = input("Who is the message from?", "Sender") as null|anything in list(RADIO_CHANNEL_CENTCOM,RADIO_CHANNEL_SYNDICATE,RADIO_CHANNEL_MU) //NON-MODULE CHANGE: Adds in the Mu Channel
 		if(!sender)
 			return
 
@@ -69,7 +69,17 @@
 	log_directed_talk(mob, target, input, LOG_ADMIN, "reply")
 	message_admins("[key_name_admin(src)] replied to [key_name_admin(target)]'s [sender] message with: \"[input]\"")
 	target.balloon_alert(target, "you hear a voice")
-	to_chat(target, span_hear("You hear something crackle in your [human_recipient ? "ears" : "radio receiver"] for a moment before a voice speaks. \"Please stand by for a message from [sender == "Syndicate" ? "your benefactor" : "Central Command"]. Message as follows[sender == "Syndicate" ? ", agent." : ":"] <b>[input].</b> Message ends.\""), confidential = TRUE)
+	// NON-MODULE CHANGE START: have to turn this into a switch
+	var/stylized_sender_name = ""
+	switch(sender)
+		if("CentCom")
+			stylized_sender_name = "Central Command"
+		if("Syndicate")
+			stylized_sender_name = "your benefactor"
+		if("Mu")
+			stylized_sender_name = "the Aristocracy of Mu"
+	to_chat(target, span_hear("You hear something crackle in your [human_recipient ? "ears" : "radio receiver"] for a moment before a voice speaks. \"Please stand by for a message from [stylized_sender_name]. Message as follows[sender == "Syndicate" ? ", agent." : ":"] <b>[input].</b> Message ends.\""), confidential = TRUE)
+	// NON-MODULE CHANGE END
 
 	BLACKBOX_LOG_ADMIN_VERB("Headset Message")
 
diff --git a/code/modules/admin/verbs/commandreport.dm b/code/modules/admin/verbs/commandreport.dm
index 86e7ec1328b4..b52ccd2a0542 100644
--- a/code/modules/admin/verbs/commandreport.dm
+++ b/code/modules/admin/verbs/commandreport.dm
@@ -4,6 +4,7 @@
 /// Preset central command names to chose from for centcom reports.
 #define CENTCOM_PRESET "Central Command"
 #define SYNDICATE_PRESET "The Syndicate"
+#define MU_PRESET "Aristocracy of Mu" //NON-MODULE CHANGE
 #define WIZARD_PRESET "The Wizard Federation"
 #define CUSTOM_PRESET "Custom Command Name"
 
@@ -55,7 +56,7 @@
 	/// The subheader to include when sending the announcement. Keep blank to not include a subheader
 	var/subheader = ""
 	/// A static list of preset names that can be chosen.
-	var/list/preset_names = list(CENTCOM_PRESET, SYNDICATE_PRESET, WIZARD_PRESET, CUSTOM_PRESET)
+	var/list/preset_names = list(CENTCOM_PRESET, SYNDICATE_PRESET, MU_PRESET, WIZARD_PRESET, CUSTOM_PRESET) //NON-MODULE CHANGE
 
 /datum/command_report_menu/New(mob/user)
 	ui_user = user
@@ -154,7 +155,7 @@
 		if(chosen_color == "default")
 			if(command_name == SYNDICATE_PRESET)
 				chosen_color = "red"
-			else if(command_name == WIZARD_PRESET)
+			else if(command_name == WIZARD_PRESET || command_name == MU_PRESET) //NON-MODULE CHANGE
 				chosen_color = "purple"
 		priority_announce(command_report_content, subheader == ""? null : subheader, report_sound, has_important_message = TRUE, color_override = chosen_color)
 
@@ -171,5 +172,6 @@
 
 #undef CENTCOM_PRESET
 #undef SYNDICATE_PRESET
+#undef MU_PRESET //NON-MODULE CHANGE
 #undef WIZARD_PRESET
 #undef CUSTOM_PRESET
diff --git a/code/modules/admin/verbs/pray.dm b/code/modules/admin/verbs/pray.dm
index 82c6bdc48043..46be691785ac 100644
--- a/code/modules/admin/verbs/pray.dm
+++ b/code/modules/admin/verbs/pray.dm
@@ -74,6 +74,20 @@
 	for(var/obj/machinery/computer/communications/console in GLOB.shuttle_caller_list)
 		console.override_cooldown()
 
+//NON-MODULE CHANGE START
+/// Used by communications consoles to message the Mu Aristocracy
+/proc/message_mu(text, mob/sender)
+	var/msg = copytext_char(sanitize(text), 1, MAX_MESSAGE_LEN)
+	GLOB.requests.message_mu(sender.client, msg)
+	msg = span_adminnotice("<b><font color=plum>MU:</font>[ADMIN_FULLMONTY(sender)] [ADMIN_MU_REPLY(sender)]:</b> [msg]")
+	for(var/client/staff as anything in GLOB.admins)
+		if(staff?.prefs.read_preference(/datum/preference/toggle/comms_notification))
+			SEND_SOUND(staff, sound('sound/misc/server-ready.ogg'))
+	to_chat(GLOB.admins, msg, confidential = TRUE)
+	for(var/obj/machinery/computer/communications/console in GLOB.shuttle_caller_list)
+		console.override_cooldown()
+//NON-MODULE CHANGE END
+
 /// Used by communications consoles to request the nuclear launch codes
 /proc/nuke_request(text, mob/sender)
 	var/msg = copytext_char(sanitize(text), 1, MAX_MESSAGE_LEN)
diff --git a/code/modules/mob/living/living_say.dm b/code/modules/mob/living/living_say.dm
index e86c9792f273..7770179bcf5e 100644
--- a/code/modules/mob/living/living_say.dm
+++ b/code/modules/mob/living/living_say.dm
@@ -20,6 +20,7 @@ GLOBAL_LIST_INIT(department_radio_keys, list(
 	RADIO_KEY_SYNDICATE = RADIO_CHANNEL_SYNDICATE,
 	RADIO_KEY_UPLINK = RADIO_CHANNEL_UPLINK,
 	RADIO_KEY_CENTCOM = RADIO_CHANNEL_CENTCOM,
+	RADIO_KEY_MU = RADIO_CHANNEL_MU, //NON-MODULE CHANGE
 
 	// Admin
 	MODE_KEY_ADMIN = MODE_ADMIN,
diff --git a/code/modules/requests/request_manager.dm b/code/modules/requests/request_manager.dm
index dd6d8d42a480..b8cb8679d0d9 100644
--- a/code/modules/requests/request_manager.dm
+++ b/code/modules/requests/request_manager.dm
@@ -4,6 +4,8 @@
 #define REQUEST_CENTCOM "request_centcom"
 /// Requests for the Syndicate
 #define REQUEST_SYNDICATE "request_syndicate"
+/// Requests for Mu
+#define REQUEST_MU "request_mu" //NON-MODULE CHANGE
 /// Requests for the nuke code
 #define REQUEST_NUKE "request_nuke"
 /// Requests somebody from fax
@@ -89,6 +91,18 @@ GLOBAL_DATUM_INIT(requests, /datum/request_manager, new)
 /datum/request_manager/proc/message_syndicate(client/C, message)
 	request_for_client(C, REQUEST_SYNDICATE, message)
 
+//NON-MODULE CHANGE START
+/**
+ * Creates a request for a Syndicate message
+ *
+ * Arguments:
+ * * C - The client who is sending the request
+ * * message - The message
+ */
+/datum/request_manager/proc/message_mu(client/C, message)
+	request_for_client(C, REQUEST_MU, message)
+//NON-MODULE CHANGE END
+
 /**
  * Creates a request for the nuclear self destruct codes
  *
@@ -216,7 +230,18 @@ GLOBAL_DATUM_INIT(requests, /datum/request_manager, new)
 				to_chat(usr, "Cannot reply to a prayer", confidential = TRUE)
 				return TRUE
 			var/mob/M = request.owner?.mob
-			usr.client.admin_headset_message(M, request.req_type == REQUEST_SYNDICATE ? RADIO_CHANNEL_SYNDICATE : RADIO_CHANNEL_CENTCOM)
+			//NON-MODULE CHANGE START
+			var/channel_to_reply_with = RADIO_CHANNEL_CENTCOM
+			switch(request.req_type)
+				if(REQUEST_CENTCOM)
+					channel_to_reply_with = RADIO_CHANNEL_CENTCOM
+				if(REQUEST_SYNDICATE)
+					channel_to_reply_with = RADIO_CHANNEL_SYNDICATE
+				if(REQUEST_MU)
+					channel_to_reply_with = RADIO_CHANNEL_MU
+
+			usr.client.admin_headset_message(M, channel_to_reply_with)
+			//NON-MODULE CHANGE END
 			return TRUE
 		if ("setcode")
 			if (request.req_type != REQUEST_NUKE)
@@ -267,6 +292,7 @@ GLOBAL_DATUM_INIT(requests, /datum/request_manager, new)
 #undef REQUEST_PRAYER
 #undef REQUEST_CENTCOM
 #undef REQUEST_SYNDICATE
+#undef REQUEST_MU
 #undef REQUEST_NUKE
 #undef REQUEST_FAX
 #undef REQUEST_INTERNET_SOUND
diff --git a/interface/stylesheet.dm b/interface/stylesheet.dm
index 36c85642ad23..93b49f306551 100644
--- a/interface/stylesheet.dm
+++ b/interface/stylesheet.dm
@@ -5,7 +5,7 @@
 // If you modify this file you ALSO need to modify tgui/packages/tgui-panel/styles/tgchat/chat-light.scss and chat-dark.scss
 // BUT you have to use PX font sizes with are on a x8 scale of these font sizes
 // Sample font-size: DM: 8 CSS: 64px
-
+// NON-MODULE CHANGE: Mu radio added in
 /client/script = {"<style>
 body					{font-family: Verdana, sans-serif;}
 
@@ -50,6 +50,7 @@ em						{font-style: normal;	font-weight: bold;}
 .servradio				{color: #6eaa2c;}
 .syndradio				{color: #6d3f40;}
 .centcomradio			{color: #686868;}
+.muradio				{color: #9d77a3;}
 .aiprivradio			{color: #ff00ff;}
 .redteamradio			{color: #ff0000;}
 .blueteamradio			{color: #0000ff;}
diff --git a/maplestation_modules/code/__DEFINES/paperwork_defines.dm b/maplestation_modules/code/__DEFINES/paperwork_defines.dm
index 851d389d0d91..b358b33e1c48 100644
--- a/maplestation_modules/code/__DEFINES/paperwork_defines.dm
+++ b/maplestation_modules/code/__DEFINES/paperwork_defines.dm
@@ -13,9 +13,10 @@
 /// String defines for admin fax machines.
 #define SYNDICATE_FAX_MACHINE "the Syndicate"
 #define CENTCOM_FAX_MACHINE "Central Command"
+#define MU_FAX_MACHINE "Aristocracy of Mu"
 
 /// Global list of all admin fax machine destinations
-GLOBAL_LIST_INIT(admin_fax_destinations, list(SYNDICATE_FAX_MACHINE, CENTCOM_FAX_MACHINE))
+GLOBAL_LIST_INIT(admin_fax_destinations, list(SYNDICATE_FAX_MACHINE, CENTCOM_FAX_MACHINE, MU_FAX_MACHINE))
 
 /// Text macro for replying to a message with a paper fax.
 #define ADMIN_FAX_REPLY(machine) "(<a href='?_src_=holder;[HrefToken(TRUE)];FaxReply=[REF(machine)]'>FAX</a>)"
diff --git a/maplestation_modules/code/game/machinery/fax_machine.dm b/maplestation_modules/code/game/machinery/fax_machine.dm
index 1840dc052e15..ffb42ef84d4a 100644
--- a/maplestation_modules/code/game/machinery/fax_machine.dm
+++ b/maplestation_modules/code/game/machinery/fax_machine.dm
@@ -34,7 +34,7 @@ GLOBAL_LIST_EMPTY(fax_machines)
 /// Fax machine. Sends messages, receives messages, sends paperwork, receives paperwork.
 /obj/machinery/fax
 	name = "fax machine"
-	desc = "A machine made to send copies of papers to other departments or Central Command. Bureaucratic."
+	desc = "A machine made to send copies of papers to other departments, Central Command, or the Aristocracy of Mu. Bureaucratic."
 	icon = 'icons/obj/machines/fax.dmi'
 	base_icon_state = "fax"
 	icon_state = "fax"
@@ -195,6 +195,7 @@ GLOBAL_LIST_EMPTY(fax_machines)
 	var/admin_destination = (obj_flags & EMAGGED) ? SYNDICATE_FAX_MACHINE : CENTCOM_FAX_MACHINE
 	var/list/possible_destinations = list()
 	possible_destinations += admin_destination
+	possible_destinations += MU_FAX_MACHINE
 	for(var/obj/machinery/fax/machine as anything in GLOB.fax_machines)
 		if(machine == src)
 			continue
diff --git a/maplestation_modules/code/game/objects/items/devices/radio/encryptionkey.dm b/maplestation_modules/code/game/objects/items/devices/radio/encryptionkey.dm
index dc6e1da49b5a..79acc7b28cbd 100644
--- a/maplestation_modules/code/game/objects/items/devices/radio/encryptionkey.dm
+++ b/maplestation_modules/code/game/objects/items/devices/radio/encryptionkey.dm
@@ -18,3 +18,11 @@
 	channels = list(RADIO_CHANNEL_COMMAND = 1)
 	greyscale_config = /datum/greyscale_config/encryptionkey_cube
 	greyscale_colors = "#9d77a3#fdc052"
+
+/obj/item/encryptionkey/headset_mu
+	name = "\improper Mu radio encryption key"
+	icon_state = "cypherkey_centcom"
+	independent = TRUE
+	channels = list(RADIO_CHANNEL_MU = 1)
+	greyscale_config = /datum/greyscale_config/encryptionkey_centcom
+	greyscale_colors = "#9d77a3#fdc052"
diff --git a/maplestation_modules/code/game/objects/items/devices/radio/headset.dm b/maplestation_modules/code/game/objects/items/devices/radio/headset.dm
index c86e203447a8..66a333f62a22 100644
--- a/maplestation_modules/code/game/objects/items/devices/radio/headset.dm
+++ b/maplestation_modules/code/game/objects/items/devices/radio/headset.dm
@@ -26,6 +26,27 @@
 /obj/item/radio/headset/heads/noble_ambassador
 	name = "\proper the noble ambassador's headset"
 	desc = "The headset of the ambassador from Mu, responsible for upholding their laws and ensuring the crew's wellbeing."
+	worn_icon = 'maplestation_modules/icons/mob/clothing/ears.dmi'
+	worn_icon_state = "noble_headset"
 	icon = 'maplestation_modules/icons/obj/radio.dmi'
 	icon_state = "noble_headset"
 	keyslot = /obj/item/encryptionkey/heads/noble_ambassador
+
+/obj/item/radio/headset/mu
+	name = "\proper Mu headset"
+	desc = "The headset used by those from Mu."
+	worn_icon = 'maplestation_modules/icons/mob/clothing/ears.dmi'
+	worn_icon_state = "noble_headset"
+	icon = 'maplestation_modules/icons/obj/radio.dmi'
+	icon_state = "noble_headset"
+	keyslot = /obj/item/encryptionkey/headset_mu
+
+/obj/item/radio/headset/mu/alt
+	name = "\proper Mu bowman headset"
+	desc = "A bowman headset used by internal agents from Mu. Has built-in ear protection."
+	worn_icon_state = "noble_headset_alt"
+	icon_state = "noble_headset_alt"
+
+/obj/item/radio/headset/mu/alt/Initialize(mapload)
+	. = ..()
+	AddComponent(/datum/component/wearertargeting/earprotection, list(ITEM_SLOT_EARS))
diff --git a/maplestation_modules/icons/mob/clothing/ears.dmi b/maplestation_modules/icons/mob/clothing/ears.dmi
new file mode 100644
index 000000000000..820e082be4aa
Binary files /dev/null and b/maplestation_modules/icons/mob/clothing/ears.dmi differ
diff --git a/maplestation_modules/icons/obj/radio.dmi b/maplestation_modules/icons/obj/radio.dmi
index adbbb7c5c4c2..cc5f6b430168 100644
Binary files a/maplestation_modules/icons/obj/radio.dmi and b/maplestation_modules/icons/obj/radio.dmi differ
diff --git a/tgui/packages/tgui-panel/chat/constants.ts b/tgui/packages/tgui-panel/chat/constants.ts
index 2549d2b4e39e..fac7ca791497 100644
--- a/tgui/packages/tgui-panel/chat/constants.ts
+++ b/tgui/packages/tgui-panel/chat/constants.ts
@@ -60,8 +60,9 @@ export const MESSAGE_TYPES = [
     type: MESSAGE_TYPE_RADIO,
     name: 'Radio',
     description: 'All departments of radio messages',
+    // NON-MODULE CHANGE : Mu Radio added in
     selector:
-      '.alert, .minorannounce, .syndradio, .centcomradio, .aiprivradio, .comradio, .secradio, .gangradio, .engradio, .medradio, .sciradio, .suppradio, .servradio, .radio, .deptradio, .binarysay, .newscaster, .resonate, .abductor, .alien, .changeling',
+      '.alert, .minorannounce, .syndradio, .centcomradio, .muradio, .aiprivradio, .comradio, .secradio, .gangradio, .engradio, .medradio, .sciradio, .suppradio, .servradio, .radio, .deptradio, .binarysay, .newscaster, .resonate, .abductor, .alien, .changeling',
   },
   {
     type: MESSAGE_TYPE_INFO,
diff --git a/tgui/packages/tgui-panel/styles/goon/chat-dark.scss b/tgui/packages/tgui-panel/styles/goon/chat-dark.scss
index d85b6d162ce3..13e6076a045d 100644
--- a/tgui/packages/tgui-panel/styles/goon/chat-dark.scss
+++ b/tgui/packages/tgui-panel/styles/goon/chat-dark.scss
@@ -366,6 +366,12 @@ em {
   color: #2681a5;
 }
 
+// NON-MODULE CHANGE START
+.muradio {
+  color: #9d77a3;
+}
+// NON-MODULE CHANGE END
+
 .aiprivradio {
   color: #d65d95;
 }
diff --git a/tgui/packages/tgui-panel/styles/goon/chat-light.scss b/tgui/packages/tgui-panel/styles/goon/chat-light.scss
index 3bf269ec26b2..a9ce09e7f136 100644
--- a/tgui/packages/tgui-panel/styles/goon/chat-light.scss
+++ b/tgui/packages/tgui-panel/styles/goon/chat-light.scss
@@ -383,6 +383,12 @@ em {
   color: #686868;
 }
 
+// NON-MODULE CHANGE START
+.muradio {
+  color: #9d77a3;
+}
+// NON-MODULE CHANGE END
+
 .aiprivradio {
   color: #ff00ff;
 }
diff --git a/tgui/packages/tgui-panel/styles/tgchat/chat-dark.scss b/tgui/packages/tgui-panel/styles/tgchat/chat-dark.scss
index ab90a0de6bb7..06f17d443cb9 100644
--- a/tgui/packages/tgui-panel/styles/tgchat/chat-dark.scss
+++ b/tgui/packages/tgui-panel/styles/tgchat/chat-dark.scss
@@ -369,6 +369,12 @@ em {
   color: #2681a5;
 }
 
+// NON-MODULE CHANGE START
+.muradio {
+  color: #9d77a3;
+}
+// NON-MODULE CHANGE END
+
 .aiprivradio {
   color: #d65d95;
 }
diff --git a/tgui/packages/tgui-panel/styles/tgchat/chat-light.scss b/tgui/packages/tgui-panel/styles/tgchat/chat-light.scss
index ee79b2298bd7..dc0b2b8d78f6 100644
--- a/tgui/packages/tgui-panel/styles/tgchat/chat-light.scss
+++ b/tgui/packages/tgui-panel/styles/tgchat/chat-light.scss
@@ -386,6 +386,12 @@ em {
   color: #686868;
 }
 
+// NON-MODULE CHANGE START
+.muradio {
+  color: #9d77a3;
+}
+// NON-MODULE CHANGE END
+
 .aiprivradio {
   color: #ff00ff;
 }
diff --git a/tgui/packages/tgui-say/constants.ts b/tgui/packages/tgui-say/constants.ts
index 3033154e5099..6fd2ca438191 100644
--- a/tgui/packages/tgui-say/constants.ts
+++ b/tgui/packages/tgui-say/constants.ts
@@ -29,4 +29,5 @@ export const RADIO_PREFIXES = {
   ':u ': 'Supp',
   ':v ': 'Svc',
   ':y ': 'CCom',
+  ':f ': 'Mu', // NON-MODULE CHANGE
 } as const;
diff --git a/tgui/packages/tgui-say/styles/colors.scss b/tgui/packages/tgui-say/styles/colors.scss
index 4910375d34f3..f1a36660c7ac 100644
--- a/tgui/packages/tgui-say/styles/colors.scss
+++ b/tgui/packages/tgui-say/styles/colors.scss
@@ -18,6 +18,8 @@ $_channel_map: (
   // NON-MODULE CHANGE
   'Me': #5975da,
   'Med': #57b8f0,
+  'Mu': #9d77a3,
+  // NON-MODULE CHANGE
   'OOC': #cca300,
   'Radio': #1ecc43,
   'Say': #a4bad6,
diff --git a/tgui/packages/tgui/constants.ts b/tgui/packages/tgui/constants.ts
index 91a4ce86fe37..50458680ae97 100644
--- a/tgui/packages/tgui/constants.ts
+++ b/tgui/packages/tgui/constants.ts
@@ -137,6 +137,13 @@ export const RADIO_CHANNELS = [
     freq: 1359,
     color: '#dd3535',
   },
+  // NON-MODULE CHANGE START
+  {
+    name: 'Mu',
+    freq: 1401,
+    color: '#9d77a3',
+  },
+  // NON-MODULE CHANGE END
   {
     name: 'AI Private',
     freq: 1447,
diff --git a/tgui/packages/tgui/interfaces/CommunicationsConsole.jsx b/tgui/packages/tgui/interfaces/CommunicationsConsole.jsx
index e816d27be1ec..a49266677413 100644
--- a/tgui/packages/tgui/interfaces/CommunicationsConsole.jsx
+++ b/tgui/packages/tgui/interfaces/CommunicationsConsole.jsx
@@ -249,6 +249,7 @@ const PageMain = (props) => {
     canBuyShuttles,
     canMakeAnnouncement,
     canMessageAssociates,
+    canMessageMu, // NON-MODULE CHANGE
     canRecallShuttles,
     canRequestNuke,
     canSendToSectors,
@@ -268,6 +269,7 @@ const PageMain = (props) => {
 
   const [callingShuttle, setCallingShuttle] = useState(false);
   const [messagingAssociates, setMessagingAssociates] = useState(false);
+  const [messagingMu, setMessagingMu] = useState(false);
   const [messagingSector, setMessagingSector] = useState(null);
   const [requestingNukeCodes, setRequestingNukeCodes] = useState(false);
 
@@ -356,7 +358,6 @@ const PageMain = (props) => {
               onClick={() => act('makePriorityAnnouncement')}
             />
           )}
-
           {!!canToggleEmergencyAccess && (
             <Button.Confirm
               icon="id-card-o"
@@ -367,7 +368,6 @@ const PageMain = (props) => {
               onClick={() => act('toggleEmergencyAccess')}
             />
           )}
-
           {!syndicate && (
             <Button
               icon="desktop"
@@ -375,13 +375,11 @@ const PageMain = (props) => {
               onClick={() => act('setState', { state: STATE_CHANGING_STATUS })}
             />
           )}
-
           <Button
             icon="envelope-o"
             content="Message List"
             onClick={() => act('setState', { state: STATE_MESSAGES })}
           />
-
           {canBuyShuttles !== 0 && (
             <Button
               icon="shopping-cart"
@@ -394,7 +392,6 @@ const PageMain = (props) => {
               onClick={() => act('setState', { state: STATE_BUYING_SHUTTLE })}
             />
           )}
-
           {!!canMessageAssociates && (
             <Button
               icon="comment-o"
@@ -403,7 +400,14 @@ const PageMain = (props) => {
               onClick={() => setMessagingAssociates(true)}
             />
           )}
-
+          {!!canMessageMu && (
+            <Button
+              icon="comment-o"
+              content={`Send message to Mu`}
+              disabled={!importantActionReady}
+              onClick={() => setMessagingMu(true)}
+            />
+          )}
           {!!canRequestNuke && (
             <Button
               icon="radiation"
@@ -412,7 +416,6 @@ const PageMain = (props) => {
               onClick={() => setRequestingNukeCodes(true)}
             />
           )}
-
           {!!emagged && !syndicate && (
             <Button
               icon="undo"
@@ -441,6 +444,22 @@ const PageMain = (props) => {
         />
       )}
 
+      {!!canMessageMu && messagingMu && (
+        <MessageModal
+          label={`Message to transmit to the Aristocracy of Mu via quantum entanglement`}
+          notice="Please be aware that this process is very expensive, and abuse will lead to immediate auditing. Transmission does not guarantee a response."
+          icon="bullhorn"
+          buttonText="Send"
+          onBack={() => setMessagingMu(false)}
+          onSubmit={(message) => {
+            setMessagingMu(false);
+            act('messageMu', {
+              message,
+            });
+          }}
+        />
+      )}
+
       {!!canRequestNuke && requestingNukeCodes && (
         <MessageModal
           label="Reason for requesting nuclear self-destruct codes"
diff --git a/tgui/packages/tgui/interfaces/RequestManager.jsx b/tgui/packages/tgui/interfaces/RequestManager.jsx
index b12d8285e80f..8b2f0a1c2bbf 100644
--- a/tgui/packages/tgui/interfaces/RequestManager.jsx
+++ b/tgui/packages/tgui/interfaces/RequestManager.jsx
@@ -83,6 +83,7 @@ const displayTypeMap = {
   request_prayer: 'PRAYER',
   request_centcom: 'CENTCOM',
   request_syndicate: 'SYNDICATE',
+  request_mu: 'MU', // NON-MODULE CHANGE
   request_nuke: 'NUKE CODE',
   request_fax: 'FAX',
   request_internet_sound: 'INTERNET SOUND',
diff --git a/tgui/packages/tgui/styles/interfaces/RequestManager.scss b/tgui/packages/tgui/styles/interfaces/RequestManager.scss
index 1003440243a4..d3b5a5465706 100644
--- a/tgui/packages/tgui/styles/interfaces/RequestManager.scss
+++ b/tgui/packages/tgui/styles/interfaces/RequestManager.scss
@@ -10,6 +10,7 @@
 $color-prayer: colors.bg(colors.$purple) !default;
 $color-centcom: colors.bg(colors.$yellow) !default;
 $color-syndicate: colors.bg(colors.$red) !default;
+$color-mu: colors.bg(colors.$pink) !default; //NON-MODULE CHANGE
 $color-nuke: colors.bg(colors.$yellow) !default;
 $color-fax: colors.bg(colors.$green) !default;
 $color-music: colors.bg(colors.$teal) !default;
@@ -21,7 +22,8 @@ $text-color: base.$color-fg !default;
 .RequestManager__request_centcom,
 .RequestManager__request_nuke,
 .RequestManager__request_prayer,
-.RequestManager__request_syndicate {
+.RequestManager__request_syndicate,
+.RequestManager__request_mu {
   margin-right: 0.5rem;
 }
 
@@ -37,6 +39,11 @@ $text-color: base.$color-fg !default;
   color: $color-syndicate;
 }
 
+//NON-MODULE CHANGE
+.RequestManager__request_mu {
+  color: $color-mu;
+}
+
 .RequestManager__request_nuke {
   color: $color-nuke;
 }