Transmitter parameters:

Carrier frequency range: 2302MHZ-2387MHZRF Power output: 10dB Frequency response: 50HZ-15KHZ Microphone pickup: Dynamic power supply: 14500 Battery working current: 22-24mA

Receiver parameters:

Carrier frequency range: 2302MHZ-2387MHz Operating distance: 50-150 meters (depending on the usage environment) Operating voltage: DC3.7V

Working current: 17.5-20mA