Wilson Electronics 859913 AC/DC 6V Dual-Band Wireless Signal Boosters Power Supply: * Adjustable gain * Greatly reduces dropped calls, extends signal range and increases data rates * No physical connection to cellular phone or data card * Allows multiple phones and cellular data cards to be used simultaneously * Oscillation (or interference) detection and automatic shutdown with auto reset * Overload protection circuit protects cellular towers from being overloaded * Amplifies signals both to and from the cellular tower * Maximum 1500mW output power * As much as 15x more powerful than a typical cellular phone * Works on all generations of CDMA, TDMA, GSM and 3G * Power control logic ensures maximum gain is within cellular standards * Extends battery life by enabling phone to work at reduced power * FCC and IC type accepted * Includes AC power supply