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中文|English

BJ-V77 Interphone

PRODUCT > Amateur Walkie Talkie > BJ-V77 Interphone
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BJ-V77 Interphone

■ Voice guide ■ Digital FM radio
■ Bright flashlight illumination function
■ FM channel auto searching and input
■ DTMF signalling system ■ Distant and spot alert
■ All calls, group calls and selective calls
■ Inspection,monitor,stun and kill
■ 50 groups CTCSS,105 groups DCS
■ Non-standard CTCSS editable (from 60HZ to 259.9HZ)
General Specifications
Frequency RangeFM:87-108MHZ（Receiving）
VHF: 136-174.995MHZ、 UHF1: 400-470.995MHZ
Memory Channels128 channels
Voltage7.5V
Operating Temperature-30℃—+60℃
Working ModeCo-channels or dis-channels simplex
Antenna Impedance50Ω
Frequency Stability±2.5ppm
WeightAbout 191g
Transmitter
Carrier Output PowerHigh: 4W/Low: 1W
Modulation Mode16KφF3E / 11KφF3E
Maximumpermissible Frequency DeviationChannel Spacing:                                                25KHz±5KHz / 12.5KHz±2.5KHz
Audio Modulation Characteristic3dB is according to 6dB;                               octavepre-emphas is between 0.3-3KHz
Adjacent Channel PowerChannel spacing: 25KHz (≥65dB)
Spurious Radiation＜7μW
Modulation Distortion≤5%
Receiver
Sensitivity(12dB SINAD)  0.18μV
Noise Quieting Sensitivity≤0.8μV
Squelch Sensitivity≤0.2μV
Audio Output Power500mW
Audio Distortion≤8%
Audio Response(300-3000Hz) ＋1dB—－3dB
Co-channel Rejection≥-0.8dB
Limiting Characteristic≤3
Adjacent Channel Selectivity≥55dB
Channel Spacing25KHz ≥70dB / 12.5KHz ≥60dB
Intermodulation Characteristic≥65dB
Block≥84dB
Spurious Radiation9KHz-1GHz ≤-57dBm


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