•  Monitoring software can be upgraded locally or remotely.
•  Wide dynamic range, low power consumption and noise figure. Protection from over voltage, over current and over temperature
•  High isolation from uplink to downlink to improve high stability.
•  High reliability and MTBF≥100,000 hours
•  Perfect remote and local network monitoring function.
•  Avoid interference from co-frequency
•  Enlarge the coverage area with omni directional antenna
•  Extend the signal distance of base station
•  Backup batteries
•  Main module self-test and auto alarm.
•  Door open alarm
•  ALC (auto level control).


To expand signal coverage of signal blind areas where signal is weak or unavailable. Outdoor:  Airports, Tourism Regions, Golf Courses, Tunnels, Factories, Mining Districts, Villages etc.  Indoor:  Hotels, Exhibition Centers, Basements, Shopping Malls, Offices, Parking Lots etc

Model Number: KT-MGDF9/0- B35-V1  KT-SGDF9/43-B35-V1   

•  Donor Unit and Remote Unit
•  Band selective or channel selective can be customized
•  One Donor Unit can support up 4 Remote Unit to maximize utilization of fiber optic cable
•  Max transmission distance between Donor Unit and Remote  Unit is 20Km

ItemsGSM900MHz Digital Fiber Optical Repeater
Donor UnitRemote Unit
Frequency RangeUplink890‐915MHz
Working BandwidthVarious bandwidth is available upon request
No. of Channels1,2,4,6,8,12,16 for option
Transmission DistanceMax20KM(From Donor Unit to Remote Unit)
Max Input Level+10dBm
Output PowerUplinkMin-10dBm
GainMin. 50dB
AGC Control RangeMin 20dB(+/-2dB)
Gain Control Range31dB (1dB Step)
VSWR< 1.5
Ripple in BandMax +/‐ 1.5dB
Spurious Emissions9KHz‐1GHzMax ‐36dBm
1GHz‐12.75GHzMax ‐30dBm
RF ConnectorN‐type Female
I/O Impedance50 ohm
Noise FigureMax 5dB
Group Time DelayMax12µS
Optical Fiber SpecificationWave Length1.31µm;1.55µm
Output PowerMin0dBm
Fiber TypeG652
Fiber ConnectorFC/PC
Time DelayMax5µS/KM
Temperature Range‐30 degree Celsius to +55 degree Celsius
Relative HumidityMax 95%
MTBFMin. 100,000 hrs
Power SupplyDC ‐48V / AC220V (50Hz)/AC110V(60Hz)(+/‐15%)
UPS Backup Power Supply (Optional)6 hours / 8 hours
NMS Monitor FunctionReal‐time alarm for Door Status, Temperature, Power Supply, VSWR, Output Power, Gain, Uplink ATT, Downlink ATT and etc.
Remote Control Module(Optional)RS232orRJ45+WirelessModem+ChargeableLi-ionBattery