Airgain is a leading-edge developer of smart antenna solutions serving the 802.11 WLAN systems market. Originally founded as the AM Group, the company began focusing exclusively on the development of its patented smart antenna technology in 2003. Airgain’s compact smart antenna solutions deliver the flexibility of an omni-antenna with the enhanced performance of a directional antenna. The technology provides dramatic improvements in range that increase the coverage of ordinary Wi-Fi solutions up to ten fold.  Based on phased array radar principles developed for the military, Airgain’s smart antennas can be steered electronically at very high switching speeds, greatly enhancing the performance of home or enterprise WLANs.

Airgain offers smart antenna hardware and software to manufacturers of WLAN access points, routers, gateways, and USB adapters, as well as consumer electronics manufacturers developing products for the home media market. The company's main office is in Carlsbad, California, USA, with a research center located in St. Petersburg, Russia.  Since its recapitalization in July 2003, Airgain has raised a total of approximately $19.5 million in capital.