BJ-851 is globally the only mini duplex and single-mode antenna repeater.
2.Frequency range:400-470MHz UHF
3.Output power:10W
repeater, wireless repeater, radio repeater
General |
|
Frequency Range: | 400-470 MHZ |
Frequency Spacing: | 10MHZ |
Duplex Band Width: | 1MHZ |
Modulation Type: | FM 16F3 |
Operating Voltage: | 12-14V |
Current: | standby current : 0.3A Rx current : 0.8A Tx current :3.0A |
Frequency Stability: | ≥2.5 PPM |
Channel Spacing: | 25KHZ |
Weight: | Approx 3kg |
Specification of Duplexer |
|
| |
Frequency Spacing (MHZ): | 10MHZ |
Max Output Power (W): | 10W |
Receiving End Insertion loss (dB): | ≤2dB |
Transmitting End Insertion loss (dB): | <1.5dB |
Transmitting-Receiving End Isolation (dB) | ≥60dB |
Max VSWR: | 1.5 |
Operating Temperature Range: | -30-----+60°C |
Frequency Stability: | Approx 2.5ppm/°C |
Matched Impedance: | 50Ω |
Receiver |
|
Simplex Sensitivity: | ≥0.3uv(12dB SINAD) |
Duplex Sensitivity: | <3dB |
Squelch Sensitivity | ≥0.2uv |
Selectivity: | -70dB |
Spurious Radiation: | -75dB |
Intermodulation Rejection: | -75dB |
Residual Noise: | -45dB |
DEMP FO: | 6±3dB |
Audio Output Power: | 4.0W |
Audio Distortion: | <5% |
Working Mode: | receiving mode |
Transmitter |
|
Output Power: | 5-10W |
Spurious Radiation: | ≤80dB |
Residual Modulation: | -45dB |
Audio Distortion: | <5% |
Max Modulation: | 5KHZ |
Pre-emphasis Frequencies: | 6±3dB |
Working Mode: | Transmitting Mode |
CPU Controller |
|
Receiving-Transmitting Frequency Setting |
|
Automatic Repeater Setting |
|
|
|
PC Programming |
|
CTCSS and DCS |
|