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GSM CDMA Cell Phone Signal Booster Amplifier Repeater Extender AT&T Verizon Cricket U.S. Cellular 2G 3G 850mhz Band 5 This Cell Signal Booster kit aims to solve your network problem,it improves your Phone 850mhz Data / Voice Calling Quality.No more missed & dropped calls,and enjoy a faster Internet.This Cell Phone Booster Repeater designed to work over the Networks of GSM CDMA AT&T Verizon 2G 3G 4G 850 MHz Band 5 for all North American users.The inside Antenna Coverage will be various base on the Outside Signal Level,Building Structure,Pannel Mounting Position,Outdoor Antenna Location and Height.Signal coverage max. up to 2000sq.ft Signal Booster Specifics Item Name: Cell phone signal booster Model:B85 Cell Service Provider:Verizon AT&T, Cricket,U.S. Cellular Network :GSM CDMA 2G 3G 4G Operate Frequency:850mhz of Band 5 Frequency Range:Uplink 824-849MHz;Downlink 869-894MHz Booster Gain: 60±2dB(Uplink/Downlink) ALC(Automatic Level Control): ≧30dB(Uplink/Downlink) Power Supply:110 V input,5V output Booster I/O Port:SMA-Female Both Impedance:50ohm Working Temperature:-13℉~131℉ Protection Grade:IP40 Indoor Antenna:Omni Whip Outdoor antenna: Directional Yagi Coaxial cable:50ft Coverage range:1500-2000sq.ft Rooms:2-3 rooms Support Users:Multi-users Package Contents 1xCell phone signal booster 850mhz Band 5-White 1xIndoor whip antenna 1xOutdoor Yagi antenna 1x50ft Outdoor 4D coaxial cable 1x Manual Attentions: a)Mount the Outdoor Yagi antenna at the Best signal location at the outdoor,and Place the Outdoor antenna 10-15ft Above the Building(as high as it could) b)Place Indoor antenna far away from opened windows(7ft at least) c)Directional Yagi Antenna sould be Pointed to Cell Tower d)Make sure 32ft separation distance between the Two Antennas.If not,The signals will be interfered e)Basic Signal required:2-3 bars Outdoor