Yes, Digital Antenna's PowerMax amplifiers and repeaters are designed to work with all North American voice and data modulations on 850 and 1900 MHz cellular bands, including 3G, EVDO, 1xrtt and 2xrtt. Digital Antenna's PowerMax DA4000 direct connect amplifier
is recommended for use in areas where there is extremely low outside
cellular signal or when enhancing data and Internet connections is a top
Some wireless carriers have not approved bi-directional amplifiers, cell
boosters, repeaters or their equivalent for use on their networks.
Users should consult their wireless service agreement regarding use of