Brand Name: lintratek Model Number: KW23C Frequency 1: 900Mhz + 1800Mhz for GSM 2G 4G Signal Frequency 2: 900Mhz + 2100Mhz for GSM 2G 3G Signal Frequency 3: 1800Mhz + 2100Mhz for 3G 4G Signal Frequency system: Dual Band Gain: 70dB Power supply: 12V 2A Output Power: 23dBm RF Connector: N connector Coverage: 300-500 sqm without barrier Accessories: No antenna and cable Quantity: One pcs dual-band signal Booster