Emitter parameter：

Carrier frequency range:2302MHZ-2387MHZ RF power output:10dB

Frequency response:50HZ-15KHZ

Microphone pickup:moving-coil type Power Supply:14500 battery

Operating current:22-24mA

Receiver parameters:

Carrier frequency range:2302MHZ-2387MHZ

Working distance:50-150 meters (depending on the environment) Working voltage:DC3.7V

Operating current:17.5-20mA