For me it’s the notification light you used to find on older phones, was particularly good to know if your phone was charged without picking it up
For me it’s the notification light you used to find on older phones, was particularly good to know if your phone was charged without picking it up
Mostly because they needed a wired headset to act as the FM antenna since it needs a decent length to capture FM compared to the much higher UHF and GHz frequencies that the mobile network uses.
Wouldn’t you be able to use the coil for wireless charging as a pretty okay antenna?
Imagine blowing out your phone speakers because you put your phone on the charger while listening to the radio.
Typically speaking, it’s a bad idea to use power sources as an antenna. Because power pushes a lot more amps than something like a radio signal.