Proxim's ORiNOCO 4.9 - 5.2 GHz Omnidirectional Antenna is designed to operate in the 4.9 Public Safety and 802.11a bands and is certified for use with the ORiNOCO AP-4900M. The ORiNOCO 4.9 - 5.2 GHz Omnidirectional antenna delivers improved coverage in a 360 degree pattern around the antenna.