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
- Approved: CE / FCC
- After sales service: 1 year warranty
Accessories:
- Power Adapter
- Antenna
- USB Cable
- Earphone
- Audio Connector Wire
- User Manual
