Hewlett Packard Enterprise J8999A. Antenna gain level (max): 7.7 dBi, Frequency band: 2.4/5 GHz, Antenna gain (2.4 GHz): 6.9 dBi. Antenna type: Directional antenna, Antenna connector type: RP-SMA, Connector gender: Male. Width: 131 mm, Depth: 131 mm, Height: 34.9 mm

The ProCurve family of 2.4 GHz, 5 GHz, and dual-band access point antennas is specifically designed to meet the needs of today's most demanding wireless LAN deployments. ProCurve external antennas support both single- and dual-band access point deployments, providing maximum flexibility to help optimize coverage and radio signal predictability. Each external antenna includes the necessary installation hardware to extend a robust wireless network across an entire campus, or for in-building environments.