Guangzhou the voice he ring co., LTD
Telephone: 020-84558909
020-84558907
E-mail: 994882447@qq.com
Address:Guangzhou panyu district town jinlong stone company number 176
The system parameters
Working frequency: 690-740, 740-800, 800-850MHZ
FM: broadband modulation mode
The number of channels: 200
The channel spacing: 250KHZ
Frequency stability: + 0.005%
Dynamic range: 100dB
The maximum offset: + 45KHZ
Audio frequency response: 80Hz-18LHz (+ 3dB)
Comprehensive signal-to-noise ratio: 105dB
General distortion: less than or equal to 0.5%
Working distance: about 100m (in the case of no interference)
The receiver indicator
Receiver: two superheterodyne
Frequency: 110MHz0.7MHz
Wireless access: BNC/50.
Sensitivity: 12dBuV (80dB S/N)
Sensitivity adjustment range: 12-32dBuV
Spurious suppression: greater than or equal to 75dB
The maximum output level: 10dBV
The transmitter indicator
Antenna: mobile phone microphone built-in spiral antenna features a transmitter based on 1/4 wave whip antenna
Output power: high power 30mW; low power 3mW
Spurious suppression: -60dB
Power supply: 2 section 5 1.5V alkaline batteries
Battery life: normal power launch about 10 hours, low power launch about 15 hours