WILSONPRO's new 304422 4G building antenna for enterprise is a robust 50 Ohm omnidirectional antenna for mounting outside of a building and features up to 5.0 dB of gain. It is designed to receive a 3G/4G LTE cell phone signal for all US carriers from all directions and should be mounted in the area with the strongest signal. The included mounting hardware allows the antenna to be installed vertically on a pole and improves signal transmission between an amplifier and your nearest cellular signal tower.