The 50 dB SOHO Dual Band 800/1900 MHz In-Building Cellular Amplifier Kit is designed to provide enhanced indoor cellular coverage for up to 2,500 free square feet. The amplifier improves cellular signal (both voice and data) for all U.S. cellular providers (except iDEN/Nextel). Provides enhanced cellular signal for multiple cell phones and cellular data cards simultaneously. The amplifier kit includes: 50 dB SOHO 800/1900 MHz Cellular Amplifier, Outside Dual Band Omni directional Antenna, Indoor Panel Antenna, 30" Wilson 400 Coax Cable, and a 20" RG 58 Coax Cable. Wilson"s over-the-phone Technical Support is available for any assistance in installation. Call 866-294-1660. The use of radio distribution equipment that enhances, extends or amplifies a wireless signal may be prohibited without the consent of the wireless carrier upon whose network such equipment will be used. You should consult with your carrier before purchasing such equipment to use with that carrier’s service.