diff --git a/Snippet:-Constants.md b/Snippet:-Constants.md
index 99132f9..e182907 100644
--- a/Snippet:-Constants.md
+++ b/Snippet:-Constants.md
@@ -11,6 +11,8 @@ HWID_CLOCK    equ 0x8
 HWID_HOLO     equ 0x9
 HWID_BATTERY  equ 0xA
 HWID_FLOPPY   equ 0xB
+HWID_RADIO    equ 0xC
+HWID_COMPORT equ 0xD
 
 ;*************************** Drill actions IDs
 DRILL_POLL        equ 1
@@ -70,6 +72,14 @@ FLOPPY_POLL         equ 1
 FLOPPY_READ_SECTOR  equ 2
 FLOPPY_WRITE_SECTOR equ 3
 
+;*************************** Radio actions IDs
+RADIO_LISTEN equ 1
+
+;*************************** Com Port actions IDs
+COMPORT_POLL           equ 1
+COMPORT_FRONT_PORT_OUT equ 2
+COMPORT_SELF_OUT       equ 3
+
 ;*************************** Keys IDs
 KEY_A equ 0x41
 KEY_B equ 0x42