The Cisco Aironet AIR-ANT2544V4M-RS= Dual-Band Omnidirectional Wi-Fi Antenna is designed with improved performance in mind. It provides a 360-degree radiation pattern and is intended for deployment when coverage in all directions is required. This FCC-approved omnidirectional antenna includes circuitry to enable self-identification of the antenna by the Cisco Catalyst 9100 Access Points.