On shelves at a Humanetics facility in Huron, Ohio, skulls stare from their eyeless sockets, shiny and silver. Around a corner, a rack is filled with squishy, peach-toned arms, legs, torsos and butts.

The next generation of Wi-Fi, Wi-Fi 8, is currently being developed behind closed doors. This time, the emphasis isn’t on pure speed, but instead on improving the user experience. Wi-Fi 8, known right ...