The OA9-5.1V/9512 from Cobham Antenna Systems is a Base Station Antenna with Frequency 4.9 to 5.3 GHz, Frequency Band 1 4.9 to 5.3 GHz, Gain 9.5 dBi, Vertical Beamwidth 12 Degree, Horizontal Beamwidth 360 Degree. More details for OA9-5.1V/9512 can be seen below.