Please add this item to your watch list so that you can receive price update about it via email. Here is how: Click the Add to Watch list button under the Place bid or Buy It Now button. Specification: 100% brand new and high quality Material: Alloy Size: approx. 180 x 130 x 30mm Color: yellow Plug type: US Plug, UK Plug, EU Plug, AU Plug (optional) Frequency range: uplink 890-915MHz downlink 935-960MHz Coverage: 50-200 square meters Power: -70~-40dBm Gain: uplink 50dB, downlink 65dB Maximum output power: uplink 23dBm downlink 27dBm Power: DC 12V / 2A (AC110-240V) Impedance: 50 ohm Features: GSM 900MHZ booster. Made of alloy material, very durable for use. 50-200 square meters suitable. Enlarging the coverage area of the base station signal. Improve the coverage of sending and receiving mobile phone signals. Great tools to boost the signal of your smartphones. It is easy to install and use. Package Included: 1x GSM 900Mhz Repeater 1x Charger 1x Aerial 1x Roof Note: Due to the hand measurement, there have size error about 1-5mm Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same