Cisco Aironet Very Short 2.4-GHz Omnidirectional Antenna (AIR-ANT2422SDW-R) Antenna type Omnidirectional Operating frequency range 2400-2500 MHz VSWR 2:1 or less Peak gain 2.5 dBi Polarization Linear Azimuth plane 3 dB beamwidth Omnidirectional Elevation plane 3 dB beamwidth 50° Length 1.7 in. (4.3 cm) Diameter 0.75 in. (1.9 cm) Connector RP-TNC Environment Indoor only