Mobile repeaters are special gadgets that can amplify the signals needed to operate your mobile phone without dropping calls or the network. They work great for filling in coverage when signals are week or in a low coverage area. Places such as underground parking lots basements and so on can all benefit from such a useful gadget. They are highly reliable and practical as well as lower the radiation levels of your phone; with the simple install of this product what more could you want. - Color: Gold - Material: Metal - Power supply: AC 110~220V - Frequency range: - Uplink: 890-915MHz/1920-1980MHz - Downlink: 935-960MHz/2110-2170MHz - Power: -70 ~ -40dBm / FA (1.23MHz) - Max. output power: 17dBm (uplink) / 20dBm (downlink) - Gain: 60dB (uplink) 65dB (downlink) - Impedance: 50 ohm - Transmission delay: 1us - Suitable for indoor use - Coverage area: 1000m2 - Provides the ultimate solution in any area where cellular communications can not work well due to leak of signals - Easy installation and operation - Accessories includes: - 1 x 100~240V power adapter (length: 1 meter) - 1 x Power cable (2-flat-pin plug) - 1 x English manual