diff --git a/code/game/objects/items/devices/multitool.dm b/code/game/objects/items/devices/multitool.dm
index c9d644cb814..025f5fa5e88 100644
--- a/code/game/objects/items/devices/multitool.dm
+++ b/code/game/objects/items/devices/multitool.dm
@@ -42,8 +42,8 @@
 	return OXYLOSS//theres a reason it wasn't recommended by doctors
 
 /obj/item/multitool/proc/set_buffer(datum/buffer)
-	if(buffer)
-		UnregisterSignal(buffer, COMSIG_QDELETING)
+	if(src.buffer)
+		UnregisterSignal(src.buffer, COMSIG_QDELETING)
 	if(QDELETED(buffer))
 		return
 	src.buffer = buffer
diff --git a/code/modules/mod/mod_link.dm b/code/modules/mod/mod_link.dm
index 6c462718b3e..42d2f664a82 100644
--- a/code/modules/mod/mod_link.dm
+++ b/code/modules/mod/mod_link.dm
@@ -102,7 +102,7 @@
 				mod_link.frequency = tool_frequency
 
 /obj/item/mod/control/proc/can_call()
-	return wearer && wearer.stat < DEAD
+	return get_charge() && wearer && wearer.stat < DEAD
 
 /obj/item/mod/control/proc/make_link_visual()
 	return make_link_visual_generic(mod_link, PROC_REF(on_overlay_change))
@@ -132,7 +132,7 @@
 
 /obj/item/mod/control/proc/on_wearer_set_dir(atom/source, dir, newdir)
 	SIGNAL_HANDLER
-	on_user_set_dir_generic(mod_link, newdir)
+	on_user_set_dir_generic(mod_link, newdir || SOUTH)
 
 /obj/item/clothing/neck/link_scryer
 	name = "\improper MODlink scryer"
@@ -144,7 +144,7 @@
 	/// The MODlink datum we operate.
 	var/datum/mod_link/mod_link
 	/// Initial frequency of the MODlink.
-	var/starting_frequency = "NT"
+	var/starting_frequency
 	/// An additional name tag for the scryer, seen as "MODlink scryer - [label]"
 	var/label
 
@@ -173,7 +173,7 @@
 		. += span_notice("The battery charge reads [cell.percent()]%. <b>Right-click</b> with an empty hand to remove it.")
 	else
 		. += span_notice("It is missing a battery, one can be installed by clicking with a power cell on it.")
-	. += span_notice("The MODlink ID is [mod_link.id], frequency is [mod_link.frequency]. <b>Right-click</b> with multitool to copy/imprint frequency.")
+	. += span_notice("The MODlink ID is [mod_link.id], frequency is [mod_link.frequency || "unset"]. <b>Right-click</b> with multitool to copy/imprint frequency.")
 	. += span_notice("Use in hand to set name.")
 
 /obj/item/clothing/neck/link_scryer/equipped(mob/living/user, slot)
@@ -260,7 +260,7 @@
 
 /obj/item/clothing/neck/link_scryer/proc/can_call()
 	var/mob/living/user = loc
-	return istype(user) && cell.charge && user.stat < DEAD
+	return istype(user) && cell?.charge && user.stat < DEAD
 
 /obj/item/clothing/neck/link_scryer/proc/make_link_visual()
 	var/mob/living/user = mod_link.get_user_callback.Invoke()
@@ -296,7 +296,10 @@
 
 /obj/item/clothing/neck/link_scryer/proc/on_user_set_dir(atom/source, dir, newdir)
 	SIGNAL_HANDLER
-	on_user_set_dir_generic(mod_link, newdir)
+	on_user_set_dir_generic(mod_link, newdir || SOUTH)
+
+/obj/item/clothing/neck/link_scryer/loaded
+	starting_frequency = "NT"
 
 /obj/item/clothing/neck/link_scryer/loaded/Initialize(mapload)
 	. = ..()
diff --git a/code/modules/mod/mod_ui.dm b/code/modules/mod/mod_ui.dm
index 06f89ddb03c..eaf4b75d7ee 100644
--- a/code/modules/mod/mod_ui.dm
+++ b/code/modules/mod/mod_ui.dm
@@ -16,6 +16,7 @@
 		"has_pai" = ispAI(ai_assistant),
 		"is_ai" = ai_assistant && ai_assistant == user,
 		"link_id" = mod_link.id,
+		"link_freq" = mod_link.frequency,
 		"link_call" = mod_link.get_other()?.id,
 		// Wires
 		"open" = open,
diff --git a/icons/mob/actions/actions_mod.dmi b/icons/mob/actions/actions_mod.dmi
index 84fcbc00dbb..f788de20194 100644
Binary files a/icons/mob/actions/actions_mod.dmi and b/icons/mob/actions/actions_mod.dmi differ
diff --git a/tgui/packages/tgui/interfaces/MODsuit.tsx b/tgui/packages/tgui/interfaces/MODsuit.tsx
index 593dc109bf8..53928a5efa0 100644
--- a/tgui/packages/tgui/interfaces/MODsuit.tsx
+++ b/tgui/packages/tgui/interfaces/MODsuit.tsx
@@ -36,6 +36,7 @@ type SuitStatus = {
   has_pai: boolean;
   is_ai: boolean;
   link_id: string;
+  link_freq: string;
   link_call: string;
 };
 
@@ -320,6 +321,7 @@ const SuitStatusSection = (props, context) => {
     has_pai,
     is_ai,
     link_id,
+    link_freq,
     link_call,
   } = data.suit_status;
   const { display_time, shift_time, shift_id } = data.module_custom_status;
@@ -385,11 +387,14 @@ const SuitStatusSection = (props, context) => {
           <Button
             icon={'wifi'}
             color={link_call ? 'good' : 'default'}
-            disabled={!link_id}
+            disabled={!link_freq}
+            tooltip={link_freq ? '' : 'Set a frequency with a multitool!'}
             content={
-              link_call
-                ? 'Calling (' + link_call + ')'
-                : 'Call (' + link_id + ')'
+              link_freq
+                ? link_call
+                  ? 'Calling (' + link_call + ')'
+                  : 'Call (' + link_id + ')'
+                : 'Frequency Unset'
             }
             onClick={() => act('call')}
           />