this is a handheld receiver actually

broadcast.lua

@@ -21,7 +21,7 @@ function ham_radio:update_broadcast(player)
   local name = player:get_player_name()
   local item = player:get_wielded_item()
 
-  if item:get_name() ~= "ham_radio:receiver" then
+  if item:get_name() ~= "ham_radio:handheld_receiver" then
     return
   end
 

craft.lua

@@ -35,7 +35,7 @@ minetest.register_craft({
 
 
 minetest.register_craft({
-  output = "ham_radio:receiver",
+  output = "ham_radio:handheld_receiver",
   recipe = {
     {'', antenna, ''},
     {'','ham_radio:circuit', ''},

hud.lua

@@ -4,7 +4,7 @@ function ham_radio.toggle_hud(player)
   local item = player:get_wielded_item()
   
   -- remove hud and broadcasts if user does not wield a receiver
-  if item:get_name() ~= "ham_radio:receiver" then
+  if item:get_name() ~= "ham_radio:handheld_receiver" then
     if ham_radio.is_receiver_wielded[name] then
       player:hud_remove(ham_radio.playerhuds[name].background)
       player:hud_remove(ham_radio.playerhuds[name].frequency)

receiver.lua

@@ -1,18 +1,18 @@
 -- 		minetest.chat_send_player(user:get_player_name(), "Itemstack"..meta:get_string("frequency").."^"..itemstack:get_name())
 
 
-minetest.register_tool("ham_radio:receiver", {
-  description = "Ham Radio Receiver",
-  wield_image = "ham_radio_receiver_wield.png",
-  inventory_image = "ham_radio_receiver_wield.png",
+minetest.register_tool("ham_radio:handheld_receiver", {
+  description = "Ham Radio Handheld Receiver",
+  wield_image = "ham_radio_receiver_handheld.png",
+  inventory_image = "ham_radio_receiver_handheld.png",
   groups = { disable_repair = 1 },
   on_use = function(itemstack, user, pointed_thing)
     local meta = itemstack:get_meta()
     local frequency = meta:get_string("frequency")
-    minetest.show_formspec(user:get_player_name(), "ham_radio:configure_receiver",
+    minetest.show_formspec(user:get_player_name(), "ham_radio:configure_handheld_receiver",
       table.concat({
         "size[3,4]",
-        "image[1,0;1,1;ham_radio_receiver_wield.png]",
+        "image[1,0;1,1;ham_radio_receiver_handheld.png]",
         "field[0.25,2;3,1;frequency;Frequency;",tostring(frequency),"]",
         "tooltip[frequency;Integer number ",
           ham_radio.settings.frequency.min,"-",
@@ -25,7 +25,7 @@ minetest.register_tool("ham_radio:receiver", {
 })
 
 minetest.register_on_player_receive_fields(function(player, formname, fields)
-  if formname ~= "ham_radio:configure_receiver" or not minetest.is_player(player) then
+  if formname ~= "ham_radio:configure_handheld_receiver" or not minetest.is_player(player) then
     return false
   end
   if not ham_radio.validate_frequency(fields.frequency) then