Lysignal 698-2700MHzMHz 9DBi Wide Band Directional Antenna for 2G/3G/4G Wifi/WLAN Signal Booster with N Female Connector

Our Directional antenna is ideally suited for providing and/or improving reception in residential homes, work shops, small-sized parking garages, basements , small office areas, rural areas and places where the reception is weak. It will help to boost signal and increase data transfer speed. Cellular Antenna Operating Principle: Collect signal from cell tower?Send it to signal booster through coaxial cable?Signal booster boost the signal?Indoor Antenna transmit to cellphone or cellular data card. Electrical specification:  Frequency Range: 698-960/1710-2700MHz  Gain: 10±1dBi  VSWR: ?16?dB? Front to back Ratio: ?16dB  Input Maximum CW: 50W  Impedance: 50?  Mechanical specifications:   Input connector: N-Female  Cable:30cm/11.8inch,RG58  Dimensions: 11.8x8.3x2.6inch/300x210x65(mm)  Temperature range: -40? - +140?(-40? - +60?)  Radome material: ABS  Antenna weight:1.91lb  FAQ:     Question: After installing booster, signal not be very good, indoor signal coverage very small.  Solution: 1. adjust outdoor antenna's location and direction.  2. check whether cable connected well.  3. put more higher receiving antenna's position, which can receive more good signal.  4. change another bigger power booster.  5. change another high gain receiving antenna.  Question: Cellphone signal full bar, but communication quality bad.  Solutions: Too closer distance of indoor and outdoor antenna, need more separation far distance away between antennas.  Question: After installing booster, signal not good, but even worse than before.  Solutions: Too closer distance of indoor and outdoor antenna, need more separation far distance away between antennas.