Function
1.Donor Unit,Remote Unit
2.The Remote Unit canbe used out of the BTS coverage
3.IN-band and Out-band can be customized
4.One Donor Unit can support up 4 Remote Unit to maximize utilization of fiber optic cable
5.Max transmission distance between Donor Unit and Remote Unit is 20Km
Features
1,Monitoring software can be upgraded locally or remotely.
2,Wide dynamic range, low power consumption and noise figure. Protection from over voltage, over current and over temperature
3,High isolation from uplink to downlink to improve high stability.
4,High reliability and MTBF≥100,000 hours
5,Perfect remote and local network monitoring function.
6,Avoid interference from co-frequency
7,Enlarge the coverage area with omni directional antenna
8,Extend the signal distance of base station
9,Backup batteries
10,Main module self-test and auto alarm.
11,Door open alarm
12,ALC(auto level control),etc.
Technical Specification
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Items
ems
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CDMA800MHz Digital Fiber Optical Repeater
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Donor Unit
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Remote Unit
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Frequency
Range
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Uplink
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824-849MHz
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Downlink
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869-894MHz
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Working Band Width
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Various bandwidth is available upon request
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No. of Channels
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1,2,4,6,8,12,16 for option
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Transmission Distance
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Max20KM(From Donor Unit to Remote Unit)
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Max Input Level
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+10dBm
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Output Power
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Uplink
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Min-10dBm
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-
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Downlink
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-
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Min37dBm-43dBm(5W-20W)
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Gain
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Min50dB
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AGC Control Range
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Min20dB(+/-2dB)
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Gain Control Range
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31dB(1dBStep)
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VSWR
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<1.5
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Ripple in Band
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Max+/-1.5dB
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Spurious
Emissions
Spurious
Emissions
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9KHz-1GHz
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Max-36dBm
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1GHz-12.75GHz
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Max-30dBm
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RF Connector
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N-type Female
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I/O Impedance
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50ohm
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Noise Figure
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Max5dB
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Group Time Delay
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Max12µS
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Optical Fiber
Specification
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Wave Length
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1.31µm;1.55µm
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Output Power
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Min0dBm
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Fiber Type
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G652
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Fiber Connector
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FC/PC
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Sensitivity
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Max-13dBm(C/N=20dB)
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Time Delay
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Max5µS/KM
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Temperature Range
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-30degreeCelsiusto+55degreeCelsius
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Relative Humidity
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Max95%
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M.T.B.F
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Min100,000hrs
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Power Supply
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DC-48V / AC220V (50Hz)/AC110V(60Hz)(+/-15%)
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UPS Backup Power Supply(Optional)
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6hours/8hours
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NMS Monitor Function
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Real-time alarm for Door Status, Temperature, Power Supply, VSWR, Output Power, Gain, Uplink ATT, Downlink ATT and etc.
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Remote Control Module(Optional)
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RS232orRJ45+WirelessModem+ChargeableLi-ionBattery
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