Cell Phone Signal Booster 65db 850/1900mhz Dual Band Cell Phone Booster Outdoor Omni Tubular Antenna Indoor Whip Antenna Frequency Range: 824-849MHz/1850-1910MHz; 869-894MHz/1930-1990MHz Network support: 3G GSM CDMA PCS Max. Gain (dB) : 65dB I/O Port : N-female on both ends Power Supply: Input AC 90-260V, Output DC 12V/ 2A