5watts 850MHz Indoor Signal Booster
5watts coverage 5000m2 GSM850 mobile signal ST850&5W mobile signal booster A mobile signal repeater provides the ultimate solution in any indoor area where cellular communications can not work well due to leak of signals (but outdoor signal good). The repeater device features easy installation & operation,Website:, build-in indoor antenna and no interference. It could also improve indoor electromagnetism environments, protract cellular battery life and reduce radiation of cells. A mobile repeater is ideal for house, home, office use.Best 37dBm 5 Watts GSM 850 MHz Wireless Cell Phone Signal Booster is designed to solve problems of wak mobile signal, which is much cheaper than adding a new base station (BTS).Main operation of the repeaters are to receive lower-power signal from BTS via RF transmission and then transmit the amplified signal to the areas where network coverage is inadequate.And the mobile signal is also amplified and transmitted to the BTS via the opposite directon. The repeater makes the signal stronger in places with poor signal coverage such as:1) Underground areas: basements, parking lots, tunnels;2) Other places where cellular signal is shielded by metal or concrete walls: offices, supermarkets, cinemas, hotels;3) Places distant from the BTS like private houses.Specification of Mobile Signal Repeater ST850&5WspecificationsuplinkdownlinkFrequency Range:824-849MHZ869-894MHZMax Gain76dB±183dB±1Ripple in Band≦8dBMax. Input Power Without Damage0dBmOutput Power2W(33dBm)5W(37DBM±0.5)Noise Figure @ max. gain4.5dB8dBReturn loss≦ -8 dBAuto Level Control30dBmMGC31db@1dB/stepTime Delay≦0.5 μsMTBF＞ 20000 hoursPower SupplyAC：110~240V， 50Hz/ 60Hz；DC：27V 3APower Consumption81WImpedance50 ΩRF ConnectorN -FemaleCoolingHeatsink Convection coolingAmplifier size(D x W xH ) / packing size (D x W xH )235X170X52(MM) /396X235X83（mm）Net weight / gross weight2.15KG/2.9KGInstallation TypeWall InstallationThird-order intermodulation45DBHumidity< 90%Operating Temperature-10℃ ~ 55℃Product Feature1.Provide quick coverage solution for weak & blind mobile signal zones, reduce drop/off calls, improve communication quality.2.Compact size, elegant design, easy install.3.Low consumption, low interference to BTS, high linear design.4.Reduce cell transmit pwoer and radiation, extend cell battery life.5.AGC design to show working frequency, gain, output power & signal intensity etc.6.ALC Circuit can limit stable output power to ensure steady signal coverage.7.MGC (Manual Gain Control) function desgin to ensure the mobile signal coverage more flexible.8.Apply to approximate 2500~6000 square meters mobile signal coverage.9.Band for 850MHz(GSM/UTMS) , 1900MHz(PCS), 900Mhz(GSM) , 1800MHz(DCS/LTE) 2100MHz(WCDMA), 2600MHz(LTE), EGSM(900MHz), 2100MHz( WCDMA 3G UTMS), 1700MHz(AWS)10.Perfect Indoor Repeater solution of mobile signal extender.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)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 powerFAQQThe solution for without effect after installedA.1.First make sure outdoor antenna’s side has above -65dbm mobile signal.2.Make sure repeater,antenna are right model.3.Make sure indoor and outdoor antenna,splitter are connected well.QAfter installed,the signal situation is improved ,but can’t make a call.A1.Make sure outdoor antenna towards BTS.2.Make sure the distance between outdoor antenna and BTS within 5KM.3.Make sure the distance between outdoor antenna and repeater is in the range of 10mto 20m.4.If it still hasn’t been solved,change a higher power repeater or ask a professional person to check.QThe communication quality is badA.1.Adjust the direction of outdoor antenna.2.Change the signal direction from outdoor antenna to repeater(by nearest straight line,less corner,do not rotate 90degree)3.Make sure the cable from outdoor antenna to repeater is using 50ohms coaxial cable.4.Make sure the distance from indoor to outdoor antenna above 20m, it's better to have a wall or passageway between them,avoid the signal from indoor antenna received byoutdoor antenna amplified (it will make repeater self-oscillation)QAfter installed,the signal situation is improved,but with small coverage area.A.1.Make sure the signal from outdoor antenna is strong.2.Make sure the cable from indoor antenna to repeater is less than 10m,connectors are connected well,cable material up to standard,no much splitters.3.Choose more powerful signal repeater.QThe solution for the interference to BTSA.1.The reason is the repeater’s uplink power is too big,or it is too close to BTS.2.The solution is change the outdoor antenna installation place,deviate from BTS,or choose less powerful repeater.QMobile signal is not steadyA.1.The reason is the self-osillation of repeater.2.The solution is make sure the connectors are right for input and output,the shield is well.3.Make sure the distance between indoor and outdoor antenna is above 10m,it is best there is a wall between them.QThere is a full bar on ,but can’t make a callA.1.This reason is the uplink power is not enough,or the signal from outdoor antenna is too weak.2.First make sure outdoor antenna’s side have mobile signal,and reach above -65dbm.3.Make sure the distance between indoor and outdoor antenna is above 10m,it is best there is a wall to separate them.4.Install the outdoor antenna on a higher place,while direct to BTS.Our present manufacturing service:1)GSM/CDMA/WCDMA/IDEN/DCS/PCS/LTE and other Repeater, including:1.Single band Repeater2.Dual Band Repeater3.Tri band Repeater4.Optic Fiber Repeater5.Wide Band Repeater6.Channel Selective Repeater7.ICS RepeaterTerms and ConditionsCertificateCE/RoHsCountry of OriginChinaPort of DispatchShenzhenProduction Capacity1000pcs/monthDate of DeliveryWithin 3 days after received payment informMOQ10pcsWarranty2yearsPacakge1pcs/box; 10pcs/cartonCountry of OriginChina
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