Tetra 400 MHz Two Way Radio UHF Channel Selective RF BDA Signal Repeater Bi-Directional Amplifier is an RF signal booster used to improve radio communications in situations where radio signal.
BDA (Bi-Directional Amplifier) is used to provide bidirectional communication between radio terminals and the base station in order to fit in any kind of environments. It can be used outdoors to extend the coverage range of base station, making communication services available in areas with no or weak signals, which are adopted extensively for tunnels, roads, railways, outskirts areas, congested residential areas, etc.
Main Features
◇ Compatible with TETRA, TETRAPOL, P25 (Ph1 and Ph2)
◇ High linearity PA, High system gain,Intelligent ALC technology
◇ Full duplex and high isolation from uplink to downlink;
◇ Auto diagnostic,Automatic Operation convenient operation;
◇ User adjustable gain control, UL and DL independent, per channel;
◇ Local and remote monitoring (optional) with automatic fault alarm &remote control;SNMP protocol (optional) .
◇ IP67/NEMA4X Weatherproof design for all-weather installation.
Items | Uplink | Downlink | ||
Working Frequency (customizable) | 449.5-455MHz | 459.5-465MHz MHz | ||
Passband BW. min | 5.5MHz | |||
Downlink to Uplink separation, min | 10MHz | |||
Max. Input Level (Non-Destructive) | -10dBm | |||
Max. Output Power (customizable) | +33dBm | +37dBm | ||
Max. Gain | 85dB | 85dB | ||
Passband ripple | ≤ 3dB | |||
Gain Adjustment Range | 1~31dB @ step of 1dB | |||
Auto Level Control (ALC) | 30dB | |||
Voltage Standing Wave Ratio (VSWR) | ≤ 1.5 | |||
Noise Figure@Max Gain | ≤ 5dB | |||
Phase P-P Error | ≤ 20 | |||
RMS Phase Error | ≤ 5 | |||
Spurious Emission | Within working band | ≤ -36dBm/30kHz | ||
Out of working band | 9kHz~1GHz: ≤ -36dBm/30kHz 1GHz: ≤ -30dBm/30kHz | |||
Inter-modulation | Within working band | ≤ -36dBm/3kHz or ≤ -60dBc/3kHz | ||
Out of working band | 9kHz~1GHz: ≤ -36dBm/30kHz 1GHz~12.75GHz: ≤ -36dBm/30kHz | |||
Group Delay | ≤ 6.0 µS | |||
Out of Band Rejection | ≤ -40dBc @ ± 1MHz≤ -60dBc @ ± 5MHz | |||
Frequency Stability | ≤ 0.05ppm |
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