Features ( Please refer to solution: Mountains, Highways, Tunnels and Subways )
Optical transmission up to 20km
OMT/ OMC function
Each master unit can support 4 remote units
Low noise and high reliability
Application Diagram

Introduction The F25FE0-GSM is a fiber optic repeater used for coverage extension for outdoor long distances or for indoor coverage extension of large buildings. The F25FE0-GSM is equipped with a remote OMT function, allowing for easy access remotely for monitoring and configuration purposes from the control centre. Its enclosure is designed to handle the harshest environments.
Consisting of a master and remote units, the remote unit can be installed up to 20km from the master unit over a fiber link. The master unit is designed to be easily mounted into a 19 ″ rack at the BTS location. RF signal is coupled from the BTS therefore providing a stable input signal to the master unit. With only service antenna(s), the problem of isolation is totally avoided.
The F25FE0-GSM fiber optic repeater is a cost-effective solution for coverage extension without the need of implementing more BTS sites. The F25FE0-GSM can be applied to much larger areas including large public buildings, shopping malls, exhibition halls, parking lots, tunnels and rural areas.
| Specification |
Uplink |
Downlink |
| Frequency Range |
GSM |
890~915MHz |
935~960MHz |
| DCS |
1710~1785MHz |
1805~1880MHz |
| Nunber ofRemote Unit |
4 |
| Maximum Gain |
≥55dB |
≥60dB |
| Manual Gain Control |
31dB in step of 1dB |
| Automatic Gain Control |
≥20dB |
≥10dB |
| Gain Flatness |
≤3dB(P-P) |
| DL Output Power |
≥40dBm/ total output power |
| ≥37dBm/ Ch @ 2 channels |
| Dimensions(H*W*D) |
Master unit:480*400*180mm |
| Remote unit:590*420*220mm |
| Weight |
Master unit:≤ 12kg |
| Remote unit:≤ 35kg |
| Control & Monitoring |
Local control Via RS232 / Remote control GSM Modem |
Remark:
Fiber Optical Repeater is available for GSM850 or GSM900 or DCS1800 or GSM1900 |