In a U.S. Patent and Trademark filing, via Apple Insider, it appears Apple is investigating medium- to long-distance wireless charging technologies that go well beyond what’s available today. This isn’t the first report to suggest Apple has looked into charging devices without first placing them on a physical surface.

According to the patent, Apple envisions several different ways to charge your iPhone, including over Wi-Fi operating at 2.4 GHz and 5 GHz and cellular radio frequencies between 700 Mhz and 2700 Mhz.

“More specifically, the document’s claims apply to millimeter wave 802.11ad spectrum channels currently in use by the WiGig standard, which operates over the 60 GHz frequency band,” Apple Insider wrote.

In Apple’s future, your iPhone may charge around your home without ever needing an outlet or charging pad ever again.

Apple is rumored to be including wireless charging into its upcoming iPhone 8, but it’s likely the device will require a charging pad. As for whether we’ll ever see an iPhone that charges over Wi-Fi, that remains to be seen.