Boston Acoustics WMS210 Wireless Mic

Wave frequency:
UHF CH-A: 768.5MHz~780.5MHz
UHF CH-B: 781.5MHz~793.5MHz
Supply: AA1.5V battery x 2 batteries or 1.2V. AA rechargeable battery
Display: LCD Compactly integrated antenna inside.
Compact and sophisticated design, easy to remove battery.
Aluminum body
Size: 250(H) x 50(W)mm
Weight: 200g
 
SIGNAL RECEIVER
Wave frequency:
UHF CH-A: 768.5MHz~780.5MHz
UHF CH-B: 781.5MHz~793.5MHz
Receiver sensitivity: -70dBm
Frequency response: 40Hz~20kHz
Signal-to-noise ratio: 95dB THD ratio: <0.5%, at 1kHz Output impedance: 2.2 kOhm
Microphone input signal: 0~160mV Scope of operation: within 30m
Supple: DC 5 ~12V/1A
Size: 45(H) x 194(W) x 120(D)mm
Weight: 800g