Sell Cdma Fiber Optic Repeater

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Post Date: Apr 8, 2008
Validity Date: Feb 15, 2018
Category: Telecommunications » Telecommunication Equipment

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Description

Main applications:
●Railway, highway, subway, tunnel and indoor distribution system;
●Village and suburb with low traffic;
●Shadow areas;

Main features
●High reliability and MTBF ≥100,000 hours;
●Prefect remote and local network monitoring and control functions.
●Confined areas such as Hospital and supermarket.
●Fiber optical transmission distance ≥13 miles;
●Avoid interference from co-frequency;
●Avoid interference from equal-frequency
●One donor unit can be arranged with groups of remote units;
●Omnidirectional coverage, and avoid of interference from co-frequency;
●Optic transmission distance can reach more than 20 kilometers;
●High reliability, and MTBF ≥100,000 hours;
●Perfect remote and local network monitoring function.
●Alarms on over power、 over temperature、 stationary wave、threshold and Open-door alarm
●With a RS232 interface to NMS(network manegement system)
Technical index
Specification		Downlink	Uplink
Frequency range		870-880 MHz	825-835MHz
		460-465MHz	450-455MHz
RF power output		33/37/40/43dBm	-20~0dBm
Gain adjustment range		≥30dB
Gain		65±3dB	60±3dB
Gain control linearity	-10dB	±1dB
	-20dB	±1dB
	-30dB	±1.5dB
ALC		P0≤2dB
In-band ripple		≤3dB
Out-band suppression	Per carrier	off the edge of working band≥2.5MHz：≤-40 dBc or ≤-13dBm/30KHz
		off the edge of working band≥10MHz：≤-60dBc or ≤-33dBm/30KHz
Noise figure		≤5dB （uplink no requirement）
propagation delay		≤5μs（apply to sound surface filter）
VSWR		≤1.4
Frequency tolerance		≤±0.05ppm
Waveform quality		≥0.950	≥0.960
Working temperature		—30 ~ +55 °C
Working humidity		< 95%