Sell Gsm Channel Selective Repeater

Application Range  ● Low traffic areas such as Suburb and village ● Bind areas such as alp,high building and wood   ● Enlarge service range,eliminate coverage of blind area   ● Span along the highway, increase coverage efficiency. ● In doors coverage,such as underground marketplace,underground,tunnel. Main features ● All parameters can be setted or monitored by software   locally or remotely ● Monitor software can be upgraded locally or remotely ● Gain,ALC level,Channel number,RF power and HPA switch can be setted by software ● Protection from over voltage, over current, over temperature,over output power and   backup batteries   ● Large-scale dynamic range, low power consumption and low system noise figure ● ALC (auto level control) 、 Main modules self-test and alarm; ● Alarms on over power 、 over temperature 、 stationary wave 、 threshold and Open-door alarm  ● With a RS232 interface to NMS(network manegement system) ● Broad adjustable range for power and gain,high precision of step-gain,and convenient debugging; Technical Specifications Specification Uplink Downlink Frequency 890-915MHZ 935-960MHZ 1710-1785MHz 1805-1880MHz Optional Channels 2,4,6,8 channels RF gain 90±3dB RF output power 333/37/40/43dBm   Working voltage AC110V,AC220V±30% In-band flatness ≤ 3dB ALC △ P O ≤ 3dB Noise figure ≤ 5dB VSWR ≤ 1.4 Propagation Delay ≤ 5us Working temperature —30 ~ +55 °C Working humidity < 95%