PATRIOT LIGHT WEIGHT Behind-the-Head Headset with QD® (Quick Disconnect) Radio Adapter. Push-pull mechanism locks the Cable to the Radio Adapter but is also easy to release. Single Speaker and Noise Canceling Mic. Optional Finger PTT. Rugged METAL Headband with Padding around Ear hooks.
Motorola most popular 2-pin (side) includes: CLS, CP185, CP200, PR400, GP, HT, MTX, PRO seies and includes DIGITAL models.
RELM 2-pin (side) connector which is the same as very popular Motorola 2-pin and fits many radio models including: RPU6500 and RPV6500