You can call that plastic cylinder a ferrite bead, a ferrite choke, EMI filter, ferrite core, or ferrite block. Whatever the name, it serves the same purpose.

The shielding applied to LG's UltraFine 5K display is effective in eliminating the radio frequency interference problem induced by Wi-Fi routers, as well as other high-power transmitters like ...

Displays typically come packed with special shielding to block radio frequency interference. Without the proper shielding, wiring inside the display can serve as receivers, and because the ...