Specifications:

Frequency band: ISM / UHF band. GM980C use fixe frequency point and GM980DJ use broadband to transmit signal

Transmission distance: 2800m ( max 7km ) in wien area, which is according to its using conditions

Power supply: the monitor head uses a high energy Lithium battery with can be used for 16 hours in total. The receiver uses two 7th batteries of 1.5V witch can be used for 24 hours in total

Sensitivity ( all directions ) of sound picking up is better than 12B. Differentiate rate is high within 200 square meters. Impedance of audio input circuitry is low

After Sales Service: 1 Year Warranty

Package Include:

1 x Voice Monitor

Power Adapter

Antenna

USB Cable

Earphone

User Manual