Wilson SignalBoost Universal Amplifier. Wilson SIGNALBOOST Cellular/PCS Amplifier improves signals on both Cellular (824-894 MHz) and PCS (1850-1990 MHz) bands and works with Verizon, US Cellular, Cellular One, Alltel, Bell Canada, Telus, Cingular, Sprint, T-Mobile and all other Cellular and PCS carriers. No device specific adapter required.