Please note that this product only supports GSM900, confirm the of before purchase. Note：This item comes with plug, please confirm the voltage of your area before purchasing. Description The includes a amplifier, an indoor , an outdoor and a power adapter. The outdoor can pick up good from outside your house, and send the through cable to the ; the can amplify the , then the amplified is sent to the indoor , the indoor can transmit the into your house, can enjoy clearer call or faster date inside your house. Features - Color: Silver grey and black. - Material: Plastic and metal. - Size: 14 x 10 x 2cm. - Range: : 890MHz--915MHz Down Link: 935MHz--960MHz - Power: -70 to -40dBm - Gain: : 50dB Down Link: 65dB - Max. Output Power: : 23dBm Down Link: 27dBm - Power supply: DC 5V/1A ( 110) - Coverage area: 50-200 square meters. - Small size, light weight, beautiful , low operating temperature. - Applicable to family, office space, hotels, large buildings bottom and other indoor places - Can effectively expand the coverage area, without the of base station - Effectively reduce radiation on the human body - Extend battery Package list: 1 1 x Indoor x Outdoor x Plug 1 x User Manual