... for Motorola, Kenwod, ICOM, Yaesu, HYT brand radio with PTT & VOX availabl,suitable for Mo Adjustable Throat ... , Yaesu, HYT brand radio 1). Durability & reliability & high sensitive for discreet communication2). Designed with vibration sensor & suitable ... & available for all kinds of two way radio brandsVibration pickupDimension 20mmSensitivity -56dB±2dBDirectivity vibratilityFrequency 100Hz- ...