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Securing Wi-Fi connections is an important crucial networking, and Wi-Fi Alliance® has isbeen on the forefront of evolving Wi-Fi security.

Passpoint mandates the use of Protected Management Frames for all connections and it leverages the EEE 802.11u specification – a version of 802.1x. It’s restricted to access points and devices capable of WPA2 and WPA3 authentication, specifically the EAP authentication protocol,. That’s which is the current industry standard for network security.

Passpoint technologies are key to support mobile data offload and are key enablers for both mobile operators and internet service provider services.

The environment can play a role, and introduce multipath, which may cause the range to be overestimated. This includes building materials, the presence of RF reflectors such as HVAC metal ducting, and some eco-glass designed to reflect the sun’s rays, but also reflects RF. Often these effects are transitory for a mobile device, and a typical motion filter will remove them from the estimated path.

Location precision is inversely proportional to bandwidth. If an 80 MHz channel bandwidth results in a location precision of 1 meter, then for a 160 MHz bandwidth channel, the precision will be roughly 0.5 meters.

For the Wi-Fi infrastructure venue owner, Wi-Fi Location provides a valuable additional user-facing location service (see "What are the primary uses of Wi-Fi Location?” for examples), with no additional operational cost, and may even save running costs by helping the owner maintain their network, locating access points after site remodels.