Greater power, range and reliability. Increases cell phone range up to 50+ miles. Amplifies 800 and 1900 MHz bands. Use multiple cell phones and carriers at the same time. Reduces dropped calls. Wireless coverage up to 1000 sq. ft. Extends the life of your cell phone battery. Includes: 3 watt Dual Band 38dB gain wireless cellular amplifier/repeater unit, 12 VDC power converter, 110 VAC power supply, Internal omni-directional antenna, external PowerMax 9dB gain dual band cellular antenna with mounting bracket, 30' ultra low loss coaxial cable and factory attached connectors. NOT for use in an automobile.