TROOPER II® Series HEAVY DUTY SPEAKER MICROPHONES have a Noise Canceling Mic and are designed to meet MIL-STD-810 mechanical and IP57 Dust and Water Proof standards. Troopers also have a 3.5mm earphone jack and 2-year warranty.
Motorola most popular 2-pin (side) includes: CLS, CP, GP, HT, MTX, PRO seies and includes DIGITAL models. Not compatible with CP100d.
RELM 2-pin (side) connector which is the same as very popular Motorola 2-pin and fits many radio models including: RPU6500 and RPV6500