DC 2V To 9V 88-108MHz FM Transmitter Wireless Microphone Surveillance Frequency Board Module

Description Operating voltage DC 2V 9VCurrent 9mAReference distance open ground 100 meters 10 30 meters indoor environmental obstacles 3v voltage test increasing the voltage from the greatly increased Operating frequency 85MHZ 115MHZ usually between 99 101 boot default frequency Receive way as long as the 88 108MHz FM radio can receive with FM feature phones Frequency adjustment adjustable capacitorOutput impedance 50ohmsSize 2cm 1cm L W Package Included 1 x 88 108MHz FM wireless microphone surveillance transmitter module