Wilson Cellular In-Vehicle Amplifiers extend cellular services in poor coverage areas by amplifying both transmit and receive signals. The amplifier reduces problems with signal fades and dropped calls while improving voice quality, service range and access. Wilson Cellular amplifiers are network-compatible and enhance the cellular phone user's satisfaction without compromising the operation of the cellular system. Wilson Cellular 40dB In-Vehicle Wireless Dual-Band 800MHz/1900MHz Cellular/PCS Bi-Directional Amplifier