Wireless Mobile Phone Signal Booster INTRODUCTION: Our Cellular Room Repeater is a Compact, Cellular Enhancer and Signal Booster, which will provide cellular coverage into your signal blocked areas at low cost. Product Name: Cellular Room BoosterProduct Model: CB-1CELBOOST signal Booster (CB-1) is used to provide radio frequency (RF) coverage to areas which either lack signal or lack the required signal strength for adequate mobile phone performance. Insufficient coverage may occur both indoors and outdoors and can include such areas as office buildings, parking garages, apartment buildings, shopping malls and residential homes.  The weak coverage problem can be solved by installing an active Booster system designed for use in a multitude of installation configurations.Booster systems provide an effective solution by redirecting, filtering and amplifying the available signal at the pick-up antenna, into the weak coverage Key Benefits of the Cellular Room Repeater: * Greatly improves cell phone performance while in building, eliminating problems such as unstable reception, unclear vocal quality, difficulty in accessing calls and even calls being disconnected. * Is Suitable for Applications of Indoor Signal Enhancement: offices, houses, shops, stores, super-markets, department stores, hotels, car parks and etc.* Extends the GSM signal coverage. * Eliminates the "blind" area * Improve the quality of conversation * Improves sound quality, range, and system access.Specification : ParticularSpecificationMODELCB-1SystemGSM or CDMA 800/900/1800MhzGain:55dBInband Flatness3dB (typical)Output Power:23dBmLoad Impedance50 OhmsInput/OutputVSWR 1.5Up/ down band isolation>70 dB minInput powerDC 12V, 1ARF I/O connectorN female, 50 OhmDimensions140 x 108 x 35Net weight550gCoverage area500-1000 sq. feet areaStandard accessoriesYagi outdoor antenna/ Indoor panel antenna