Dr. Tech Vehicle Signal Booster 1900MHz Cell Phone Signal Booster Repeater Amplifier with antenna (LET IT BOOST UP THE STRENGTH FOR YOUR CELLPHONE!!!) Frequency: 1930-1910MHz Gain: Uplink = 1850-1910 Downlink= 1930-1990 Max Output Power Uplink: + 10dBm Noise Figure 3.5 dB nominal Power Requirements: 12 V, 0.5-1.5 a max