Directional antennas focus the radio signal in a given direction. This enhances the signal to and from the access point in the direction the antenna is pointing. Focusing the signal has the effect of providing more energy in one direction and less energy in all other directions.

Patch and Yagi Antennas

These antennas are typically mounted to a wall or a mast and provide coverage in a limited-angle pattern. Application cases for a directional antenna include RF coverage down a hallway in a hospital or office corridor. In a warehouse or manufacturing facility, which typically has high steel-shelving units, aiming a directional antenna down open areas provides coverage for people moving among the shelves with their wireless devices. The mining industry also benefits from the use of directional antennas when wireless is used in the shafts and drifts.