Size 1: US plug Size 2: UK plugSize: 13cm x 10cm x 2cmFeature:High gain ，easy installation and operationFull-duplex ，single-port design ，build-in power supplyUse ALC technology， adjust extent automaticallyLed light working & signal condition indicatorsBig linear power ， control intermodulation & scatteration stablyDependability stand by GB6993-86 standardCompatibility of electromagnetism according with ETS300 609-4CE and RoHs ApprovedItem SpecificationUp Link Down LinkFrequency 890-915MHz 935-960MHzPower -70 ~ -40D dBm / FA(1.23MHz)Gain 55Db/+-10DB 60Db/+-10DBMax output power +17dBm / +-3Dbm Total power +17dBm / +-3DBM Total powerImpedance 50��Seclusion ��70dBPower Supply AC 110/200V (Used AC/DC Adapter 12Vdc)Compact Design Indoor UseItem Diemension 130x100x20mmDue to the difference between different monitors， the picture may not reflect the actual color of the item. Thank you!Package includes:1 x Aluminium LCD DISPLAY GSM 900 cellphone repeater1 x Omni direction outdoor antenna with 10 meters cable1 x Indoor antenna1 x Charger1 x User manual