signal booster repeaters GSM&3G dual band repeater

High-gain linear power amplifier ALC technology No noise No interference to the base station No harm to the human body

Mobile signal booster/repeater/amplifier for GSM 900mhz and 3G 2100mhz Specifications:Designed to amplify GSM 900 and 3G  cell phone signalsRequires outdoors antenna to operate (F-cable connector)Extends cell phone coverage to areas that have poor or no cell phone signalMobile signal booster/repeater/amplifier for GSM 900mhz&3G Details: Mobile phone signal booster/repeater/amplifier ST92A 1.Frequency range        Uplink  890—915MHz    1939-1990MHZ                                   Downlink 935-960MHz    2110-2180MHZ

2. Gain ( dB):               Uplink  Gp≥60   Downlink   Gp≥65 3. Export power (Po):    ≥17dBm 4.Pass band ripple:       ≤3dB 5. I/O impedance:          50Ω/N connector 6. Noise figure:               ≤4dB 7. Transmission Delay:     ≤0.5μs 8. Ambient temperature:  -10°C~60°C 9. Power supply:               AC110~220V   45~55Hz 10. Product  Size:            200 x 130 x 20 mm 11. Reliability:                  To the GB6993-86 standard 12. Electromagnetic  compatibility:To the ETS300 694-4 standard 13. Function:                 a) Power supply LED denote                                        b) Export power LED denote 14. Coverage :2500 square meters An outdoor antenna installation position must be able to clear call Yagi installation must be installed levelInstallation ApproachesFix up outdoor antenna reception on housetop and point to signal towerConnect outdoor antenna to ''outdoor'' port in repeater machine through cableConnect indoor antenna to ''indoor'' port in repeater machine through cable alsoPlug power adaptor into AC power socket and finish installationTechnique SupportingIf still no signal receipt after activated repeater, please check if outdoor antenna point to signal tower or elsewhere have strong signal and check if strength achieve Please adjust the direction of outdoor antenna if it cannot call outIf strength is not steady, please check if outdoor and indoor antenna are too close. Please ensure the outdoor and indoor antenna have distance of 20 meters at least ,with a wall between and net a same horizontal lineNOTEThe distance between the outdoor antenna and the amplifier is not more than 30 metersThe outdoor Antenna not close to a large antenna, high-voltage lines, transformers, or metal mesh, etc.The distance between the indoor antenna and the amplifier is not more than 40 metersThe indoor antennas do not close to the wall as far as possible in order to increase the coverage areaThe indoor antenna and the outdoor antenna are advised to stay away from each other for more than one floor distance to prevent cyclic signal amplificationIf lack of communication quality, please change the installation position of the outdoor antenna and adjustment the indicate direction of antennaIt is best to enclose waterproof tape at the junction, and prevent moisture narrow the indoor signal coverage areaTry to straight the cable, do not bend more than 90 degree Package Included:1 x GSM 900&3G MHz 50dB Signal Booster Repeater/Amplifier for Mobile Phone1 x Outdoor Whip Antenna with 10 Meter Cable1 x Indoor Omni-directional Antenna1 x 100-240V AC Power Adapter for the Repeater Unit1 x User's Manual

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signal booster repeaters GSM&3G dual band repeater