Shenzhen Etenda Technology Limited  

Product Name: 10watt 90dB Outdoor WCDMA 2100MHz 3G UMTS Repeater Model NO.: ET-CRW40WS-F Condition: New Certification: ISO Lightning Protection: With Lightning Protection Standard: Standard Transmission Medium: Cable Type: Signal Repeater Outpower: 10watt Gain: 90dB Band: WCDMA Work Environment: Outdoor RF Connector: N-Female Vswr: 1.5 System Delay: 5us I/O Impedance: 50 Three Order Intermodulation: -45dbc Noise Figure: 5dB Trademark: etenda Transport Package: Carton or Wooden Case Specification: CE, ROHS Origin: Shenzhen HS Code: 8517611010 Product Description 10watt 90db Outdoor WCDMA 2100MHz repeater 3G mobile phone Signal AmplifierRF Repeater is designed to enhance cellular network coverage and fill blind spots. Main operation of the repeateris to receive low-power signal from base Station (BS) via radio frequency (RF) transmission by its donor antenna,process, amplify and forward the signal to Mobile Station (MS) in target coverage area by its service antenna.Features1 Waterproof box suitable for outdoor service;2 metal cavity filter technology inside, which gives wider receiving and sending separation, better gain flatness, higher stability, and lower noise figure;3 Full-duplex & dual-port design, and built-in power supply;4 Allowing for continuous gain adjustment and gain contrast;5 ALC technology used to provide auto amplitude fixing;6 Power, uplink and downlink output indications.RF Repeater Typical ApplicationSpecifications UplinkDownlinkWorkingFrequencyCDMA850824 ~ 849 MHz869 ~ 894 MHzGSM850824 ~ 849 MHz869 ~ 894 MHzGSM900880 ~ 915 MHz935 ~ 960 MHzDCS1710 ~ 1785 MHz1805 ~ 1880 MHzPCS1850 ~ 1910 MHz1930 ~ 1990 MHzWCDMA1920 ~ 1980 MHz2110 ~ 2170 MHzAWS1710 ~ 1755 MHz2110 ~ 2155 MHzLTE700 MHz( A, B, C, D band optional)2500 ~ 2570 MHz2620 ~ 2690 MHzFrequency Error≤±0.5ppmOutput Power33dBm40dBmGain85dB90dBIn-BandRippleGSM≤3dBDCS≤5dBWCDMA≤5dBVSWR≤1.5:1Threeorderintermodulation≤-45dBc/30KHzGainadjustmentaccuracy0-10dB≤1dB10-20dB≤1dB20-30dB≤1.5dBSystemDelay≤1.5usRejectionbandFo±0.4MHz≤-25dBmFo±0.6MHz≤-35dBmFo±1MHz≤-48dBmSpuriousEmission9KHz~150KHz≤-36dBm/10KHz150KHz~30MHz≤-36dBm/100KHz30MHz~1GHz≤-36dBm/100KHz1GHz-12.75GHz≤-30dBm/1MKHzNoiseFigure≤5dBI/OImpedance50ΩRFConnectorN-Type(Female)Frequencyerror≤±5×10¯8ReliabilityTotheGB6993-86standardElectromagneticcompatibilityTotheETS200300694-4standrdPowerAC110V or AC220VTemperatureRange-25ºC~+65ºC Relative humidity≤95%Size450x320X215mm Weight18kgOperation ConfigurationLCD Display, Manual Key-press, PC RS232 PortGSM MODEM (Optional)Ethernet RJ45 (Optional)Working principle:When received by the repeater, the downlink signals from BTS will go through the duplexer, which acts to filter out the out-band spurious, and then further through low-noise amplifier, and power amplifier, reach the repeat end, where signals are passed to antenna through duplexer, and emitted to the whole covered area, thus completing a round of downlink channel function.When the repeat antenna receives uplink signals from a subscriber, the signals will undergo processing of low-noise amplifier, filter and power amplifier first, and then be transmitted to the base station, thus accomplishing connection between subscribers in signal blind area and base station.In this way, the blind areas are eliminated.Considering receiving signal intensity and coverage size may vary with sites where repeater is located, it is necessary to control the gain and output of the repeater.Additionally, considering the fading effect in spatial signal transmission, auto amplitude fixing for output is required.For this purpose, MGC and ALC circuits are included in the uplink/downlink channels.