ICOM Earphone Adapter for IC-SAT100 and IC-F52D/IC-F62DThe AD 135 is an earphone adapter designed to enhance the versatility of your transceiver. It allows the use of a standard earphone with a 3. 5mm jack, making it compatible with a wide range of earphones for increased convenience and user preference. The adapter features a 14 pin multi connector and a 3. 5mm socket, ensuring easy connectivity with various devices. It is compatible with IC SAT100, IC F52D IC F62D, and IP730D IP740D.