GSM signal Booster network GSM900mhz ST980 Coverage 1000sqm What is the Mobile Signal booster?About Signal BoosterCell phone becomes especially helpful when people get into critical situations. In case of emergency a timely call can save a life. Unfortunately,Website: , there are still some places where one can find themselves - out of coverage. Usually those places are either too far from the cell phone base station or located inside underground constructions, for example: parking lots, tunnels, big stores, office buildings, cars, boats, house in remote areas, etc. Here we will bring you a new kind of LED signal booster. Welcome to buy ! Specification of Mobile Signal Repeater ST980SpecificationuplinkdownlinkFrequency :GSM900mhz890-915mhz935-960mhzMax Gain76dB83dBBandwidth25MHZRipple in Band≤8dBMax. Input Power Without Damage0 dBmOutput Power23dBm27 dBmNoise Figure @ max. gain4.5db8dbReturn loss≤-8 dBTime Delay≤0.5 μsMTBF> 20000 hoursPower SupplyAC:90~265V, 50/ 60Hz;DC:5V 2APower Consumption4WImpedance50 ΩRF ConnectorN -FemaleCoolingHeatsink Convection coolingDimensions (D x W xH )198*138*30Weight1.0KGInstallation TypeWall InstallationEnvironment ConditionsIP40Humidity<90%Operating Temperature-10°C  ~ 55°CFeatures of GSM Repeater ST9801.High-gain linear power amplifier. 2.ALC and AGC function technology. 3.Ultra-low noise receive amplifier. 4.There is no interference to the base station, right after the opening of the original system and the base station without the need to adjust parameters. 5.Stable and reliable electromagnetic compatibility design. 6.The base station dose not cause an increase in background noise, but will not lead to a decline in the quality of the base station communications. 7.With full-duplex communication mode. 8.It explores an effective and reasonable method to dispel the heat.Mobile Phone signal Booster Installation complete kit itemsSignal boosterOutdoor antennaIndoor antennaCableSplitter (When there are more than 2 indoor antennas)Connector(N connector, F connector, N to F connector, SMA connector etc)Installation1)Typical Installation for Single RoomA.Find a tough spot which has a strong signal reception to install your outdoor antenna.B.Take your coaxial cable and connect it to the outdoor antenna.C.Installing and Test the Mobile Repeater Unit2) Multiple RoomsTo make signal coverage for multiple rooms, please refer to below diagram.Mobile Phone Signal Repeater Installation StepsStep 1: Install the outdoor antenna in a suitable placeStep 2: Connect the outdoor antenna to the booster “outdoor” side by cable and connectorStep 3: Connect the indoor antenna to the booster “indoor” side by cable and connectorStep 4: Connect to the powerST980 GSM Signal Repeater LED IndicatesLEDStatusDefinitionPowerRedNormalOffDC power problemDL(Downlink)WhiteNo signal receivedSolution: Adjust the outdoor installation to get sound signal(see page 14)GreenSignal received ok but not perfectSolution: Adjust the outdoor installation to get sound signal(see page 14)RedFull signal receivedUP(Uplink))FlickerWhen there is a call, it is normalGreenAlways green means self-excitedSolution: Turn off the booster, adjust the indoor and outdoor antenna again, and try to expand the distance or create some barriers between them.Terms and ConditionsCertificateCE/RoHsCountry of OriginChinaPort of DispatchShenzhenProduction Capacity1000pcs/month Date of DeliveryWithin 3 days after received payment informMOQ10pcsWarranty2yearsPacakge1pcs/box; 20pcs/cartonCountry of OriginChina