System indicators

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

Available bandwidth: 25MHz per channel

Modulation method: FM frequency modulation

Number of channels: Infrared automatic frequency matching 200 channels

Operating temperature: minus 18 degrees Celsius to 50 degrees Celsius

Silencing Method: Automatic Noise Detection and Digital ID Code Silencing

Offset: 45KHz

Range of motion:> 110dB

Audio response: 60Hz-18KHz

Comprehensive signal-to-noise ratio:> 105dB

Comprehensive distortion:< 0.5%

Receiver specifications:

Reception method: Secondary frequency conversion superheterodyne, dual tuning true diversity reception

Oscillation mode: PLL phase-locked loop

Intermediate frequency: First intermediate frequency: 110MHz, Second intermediate frequency: 10.7MHz

Antenna interface: TNC socket

Display mode: LCD

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

Stray suppression:> 80dB

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

Balance:+ 10dB(1.5V)/600Ω

Supply voltage: DC12V

Power supply current: 450mA

Transmitter specifications: (908 transmission)

Oscillation mode: PLL phase-locked loop

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

Battery: 2 "1.5V5" batteries

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

Usage time (alkaline battery): about 8 hours at high power