Throat Microphone HRE-6023 with finger PTT and acoustic tube for Motorola, Kenwod, ICOM, HYT, Yaesu, ... 6023 1). Durability & reliability & high sensitive for discreet communication2). Designed with vibration sensor & suitable for very noisy environment, can eliminate noise ... many markets, such as public safety, retail and recreation, etc4). Finger PTT (Push To Talk) available5). A variety of plug and ...