Aperto Networks has been a leading contributor to IEEE 802.16 and ETSI HiperMAN standards, making sure that key technical features such as QoS and link adaptation enhancements were supported to stringent carrier requirements. Aperto Networks was the first company to deliver IEEE 802.16-class systems in 2000. In 2006, PacketMAX 5000 was the first system to receive WiMAX Forum certification for full compliance to 802.16-2004 standard.

Aperto has been at the forefront of developing and certifying products based on the IEEE 802.16e-2005. The PacketMAX series for mobile WiMAX includes a complete suite of compact base stations, macro base stations, mobile terminals, desktop units, traffic aggregation gateways and subscriber billing solutions. Aperto has made wireless broadband more accessible to the masses by extending WiMAX technology to products operating in the license-exempt spectrum.