One Dray Two true diversity Microphone VS-900

Receiver technical parameters
Working frequency: 640-690MHz
Infrared frequency matching, frequency synchronization technology
Display shows transmitter battery level
S/N signal-to-noise ratio: >105dB
T.H.D distortion:<0.5%
Frequency response:40Hz-18KHz
Noise lock squelch control + audio navigation lock squelch
Long-distance line design, the distance can be up to 200 meters in open areas

Transmitter technical parameters
Channel: Channel 200
Bandwidth: 50MHz
Channel spacing: 250KHz
Frequency stability:±0.005%
Batteries used: 2 AA batteries/AA batteries
Transmitting power:
Factory setting is low power 150 meters,
High power can be set manually up to 200 meters