For the Whole Family and Workplace Cover up to 150sq ft* with crisp, clear cellular signal. Significantly boosts signal strength for improved voice, text and data speeds on any 2G、3G、4G phones and devices. Work Faster Than Ever Rid your workplace of dropped calls, missed texts, and buffering cellular data. Whether doing business from home or the office, the UHmin Booster will save you critical time and make you or your employees more effective. Total Compatibility For All Device Types or Networks Works on all US carrier networks, compatible with all phones and cellular devices; It boosts all cellular signal across multiple devices, giving you the connection you need. Features: High gain, easy installation, and operation.Full-duplex, Dual-port design.Use ALC technology, adjust the extent automatically.LED Light Working & Signal Condition Indicators.Big linear power, control intermodulation & scatteration stably.Dependability stand by the GB6993-86 standard.Compatibility of electromagnetism according to ETS300 609-4.CE and RoHS Approved. Package: 1 x Mobile Signal Repeater 1 x Indoor Antenna Specification: Frequency range:890MHz--915MHz(Uplink);935MHz--960MHz(Downlink) Power: -70 ~-40 dBm/ FA (1.23MHz) Gain : (Uplink) 50/55/60/65Db/±10DB (Downlink) 55/60/65/70Db±10DB Signal Repeater Size: 140*100*20mm/5.51*3.94*0.79" Impedance: 50Ω Seclusion : >65dB Power supply: 110V Output Voltage: 5V Installation Approaches: 1. Fix up outdoor antenna reception on housetop and point to signal tower. 2. Connect an outdoor antenna to the "BTS" port in the repeater machine through cable. 3. Connect indoor antenna(s) to "MOBILE" port in repeater machine through cable also. 4. Plug the power adaptor into the AC power socket and finish the installation. Installation note: 1. please make sure distance above 10M between the indoor and outdoor antenna, it’s better divides one from another by a wall. 2. Please try to choose a good signal place to set up an outdoor antenna. 3. Please sure that there are good signals 4-5 bars on your outdoor, or it will not work in your room. Installation Approaches: 1. Fix up outdoor antenna reception on housetop and point to signal tower. 2. Connect an outdoor antenna to the "BTS" port in the repeater machine through cable. 3. Connect indoor antenna(s) to "MOBILE" port in repeater machine through cable also. 4. Plug the power adaptor into the AC power socket and finish the installation. Installation note: 1. please make sure distance above 10M between the indoor and outdoor antenna, it’s better divides one from another by a wall. 2. Please try to choose a good signal place to set up an outdoor antenna. 3. Please sure that there are good signals 4-5 bars on your outdoor, or it will not work in your room.