This Icom speaker microphone is for Icom portable radios that accept a 2-pin LA-type screw cap connector. See below for the entire list of Icom-compatible radios.
Features:
8-position rotary clip
Equipped with earphone jack
2-pin LA-type screw cap connector
Specifications:
Connector Information: 2-pin Screw attached type; Φ3.5 mm earphone jack