GSM/DCS980(900MHz/1800MHz)移动电话的信号扩音器

GSM 900MHz/1800MHz Cell Phone Signal Amplifier RF Repeater •This is a wireless signal amplifier for mobile phone use. Two working frequencies: GSM 900 MHz and GSM 1800MHz. A mobile phone repeater is ideal for house, home and office use. •A mobile phone signal repeater provides the ultimate solution in any area where cellular communications can not work well due to leak of signals. The repeater device features easy installation and operation, build-in indoor antenna and no interference. It could also improve indoor electromagnetism environments, protract cellular battery life and reduce radiation of cell phone. The device featured by easy installation and operation and no interference. It is the ideal device for boost mobile phone signal. A mobile phone repeater could also improve indoor electromagnetism environments, protract cellular battery life and reduce radiation of cell phones. Specifications Introduction for Mobile Phone Signal Repeater: •1. Enhance Mobile Phone Signal Strength, improve Communication Quality •2. Two working frequencies: GSM 900 MHz and GSM 1800MHz •3. Reduce Cell phone Radiation •4. Protract Cellular Battery Life •5. Economic Building Cost •6. High gain, Easy Operation and Easy Installation •7. Full-duplex, single-port design, and build-in Power Supply •8. Use ALC technology, adjust extent automatically •9. LED Light Working and Signal Condition Indicators •10. Big linear power, control inter modulation and scatteration stably •11. Dependability stand by GB6993-86 standard •12. Compatibility of electromagnetism according with ETS300 609-4 •13. CE and RoHS Approved SpecificationGSM/DCS980Frequency rangeUplink890-915MHz 1710-1785MHz Downlink935 960MHz 1805-1880MHzGain ( dB)Uplink Gp≥60Downlink Gp≥65Pass band ripple≤3dBGuard band rejection（BW-60dB）≤42MHz ,（BW-70dB）≤45MHzI/O impedance50Ω/N connectorI/O return loss≤3dBExport power (Po)≥20dBmIntermodulationAttenuation(Po=27dBm)≤-40dBcTransmission Delay≤0.5μsAmbient temperature-10°C～50°CPower supplyAC110～220V 45～55HzSize220 x180 x 20 mmReliabilityTo the GB6993-86 standardElectromagneticcompatibilityTo the ETS300 694-4 standardFunctiona) Power supply LED denoteb) Export power LED denotecoverage area2000 m2