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Help CenterIndoor Buidling Coverage DAS Tetra Trunk Amplifier Repeater
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Indoor Buidling Coverage DAS Tetra Trunk Amplifier Repeater
Tetra Functions:
Tetra repeaters consist of Master and Slave. One Master can work together with 1 to 4 Slaves. The Master transfers the BTS signal into optical signal and transmits the optical signal to the Slaves. The Slaves transfer the optical signal into RF signal, amplify the RF signal and cover the target areas. The application of CDMA Fiber Optical repeaters will effectively eliminate the signal blind areas, enhance the network quality, improve the image of cellular operators and bring them more profit.
Typical Applications:
Kingtone Tetra Repeaters are mainly used in indoor area and outdoor areas.
They are widely used in the places below.
Railway Tube Scenery spot Campus Hospital Oil field
Road Sea-route Town Rural area Airport Venue
Technical Specification:
Items |
TETRA Trunk Amplifier |
|
Frequency Range |
Uplink |
806-821MHz |
Downlink |
851-866MHz |
|
|
Output Power
|
Uplink |
Min 0dBm |
Downlink |
Min. +30dBm |
|
Working Bandwidth |
Various bandwidth is available upon request |
|
Gain |
Min. 45dB |
|
AGC Control Range |
Min 30dB (+/-2dB) |
|
Gain Control Range |
31dB (1dB Step) |
|
VSWR |
< 1.5 |
|
Ripple in Band |
Max +/- 1.5dB |
|
Inter modulation attenuation |
≤45dBc ; ≤36dBc |
|
Spurious Emissions |
9KHz-1GHz |
Max -36dBm |
1GHz-12.75GHz |
Max -30dBm |
|
RF Connector |
N-type Female |
|
I/O Impedance |
50 ohm |
|
Noise Figure |
Max 5dB |
|
Group Time Delay |
Max 1.55µS |
|
Temperature Range |
-25 degree Celsius to +55 degree Celsius |
|
Relative Humidity |
Max 95% |
|
MTBF |
Min. 100000 hrs |
|
Power Supply |
DC 48V / AC220V (50Hz)/AC110V(60Hz)(+/-15%) |
|
UPS Backup Power Supply (Optional) |
6 hours / 8 hours |
|
NMS Monitor Function |
Real-time alarm for Door Status, Temperature, Power Supply, VSWR, Output Power, Gain, Uplink ATT, Downlink ATT and etc. |
|
Remote Control Module (Optional) |
RS232 + Wireless Modem + Chargeable Li-ionBattery |
|
To expand signal coverage of signal blind areas where signal is weak or unavailable.
1. Small building indoor covertage
2. High building covertage
3. Tunnel covertage
4. Subway covertage
5. Vehical covertage
6.basement room coverage
Through high gain antennas placed on roof space or other available areas we are able to grab even the faintest of outside signals that weaken significantly when entering a building. This is done by directing our antennas towards local network provider masts. After the external signal is captured it is sent towards our repeater system via Low-Loss Coax cable. The signal entering the repeater system receives an amplification and then rebroadcasts the signal throughout a certain area.
In order to ensure that coverage is found throughout the entire building we are able to connect indoor antennas to the repeater via a cable and splitter system. Strategically placed omni antennas are installed through out building to distribute the signal equally to all desired areas.
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