U-segment wireless microphone

Handheld wireless microphone

"System indicators RF range: 640.25 --690.00MHz

 (A channel: 640.25MHZ---646.25MHZ, B channel; 646.50MHZ---652.50MHZ, C channel: 652.75MHZ---658.75MHZ, D channel: 659.00---665.00MHZ, E channel: 665.25MHZ- --671.25MHZ, F channel; 671.50MHZ---677.50MHZ, G channel: 677.75MHZ---683.75MHZ, H channel: 684.00---690.00MHZ)

Usable bandwidth: 6 MHz 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

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

Squelch method: 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 index: Receiving method: double-conversion superheterodyne, dual-tuning independent channel reception

Oscillation mode: PLL phase locked loop

Intermediate frequency: the first intermediate frequency: 110MHz,

Second IF: 10.7MHz Antenna interface: TNC socket

Display mode: LCD

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

 Spurious suppression: >80dB

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

Balance: +10dB(1.5V)/600Ω

Supply voltage: DC12V

Supply current: 450mA

Oscillation mode: PLL phase locked loop

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

Battery: 2 ""1.5V5"" batteries Current: <100mA(HF), <80mA(LF)"