Airgas - 3MRFL5035 - 3M™ Peltor™ In-Line Push-To-Talk Adapter (For Use With Kenwood TK3101 And Funkey Communication Radios And Peltor™ MT Series Headset)
Kenwood TK-3101 Noise Canceling Speaker Mic.
Kenwood TK-3101 Licence Free PMR446 Radio - Radiotronics UK