System indicators

RF range: 640.25 --690.00MHz (A channel: 640.25MHZ---665.25MHZ, B channel: 665.50MHZ---690.00MHZ)

Available bandwidth: 25MHz per channel

Modulation method: FM frequency modulation

Number of channels: Infrared automatic frequency pairing 200 channels

Operating temperature: minus 18 degrees Celsius to 50 degrees Celsius

Squelch mode: automatic noise detection and digital ID code squelch

Offset: 45KHz

Dynamic range: >110dB

Audio response: 60Hz-18KHz

Comprehensive signal-to-noise ratio: >105dB

Comprehensive distortion: <0.5%

Receiver Specifications:

Receiving mode: double frequency conversion super heterodyne, double tuned true diversity reception

Oscillation mode: PLL phase locked loop

IF Frequency: First IF: 110MHz, Second IF: 10.7MHz

Antenna interface: TNC seat

Display mode: LCD

Sensitivity: -100dBm (40dB S/N)

Spurious suppression: >80dB

Audio output: Unbalanced: +4dB(1.25V)/5KΩ

Balance: +10dB(1.5V)/600Ω

Power supply voltage: DC12V

Supply current: 450mA

Transmitter index: (908 transmissions)

Oscillation mode: PLL phase locked loop

Output power: 3dBm-10dBm (LO/HI conversion)

Battery: 2 "1.5V5" batteries

Current: <100mA(HF),<80mA(LF)