This product enables you to amplify signals for your mobile phone where you experience poor reception in vehicles, home and offices.

This amplifier will amplify only 800 mghz signals but will also pass through 1900 mghz signals without amplifying them.

Parts included: Bi-Directional Amplifier 6' Adapter Extension Cable 12V DC Power Adapter (Cigarette Lighter Plug Included)

Specs: Frequency: 806-821 MHz Uplink and 851-866MHz DownLink Max Output power: 3 Watts Linear Output Power + 30dBm