Extreme networks WS-AI-DE10055. Antenna gain level (max): 10.5 dBi, Frequency band: 2.4 - 2.5, 5.1 - 5.9 GHz, Networking standards: IEEE 802.11ac. Antenna type: Sector antenna, Polarization: Dual polarization, Voltage Standing Wave Ratio (VSWR): 2.25:1. Width: 305 mm, Depth: 110.5 mm, Height: 305 mm. Quantity per pack: 1 pc(s)