WHY SHOULD WE NEED THIS FERRITE CORE

Great for cutting noise on USB, firewire, phone, power cord, coaxial, audio, video cables, etc.
This rectangle ferrite bead can be widely used in a variety of data cables, USB cable, telephone line, network line to shield external electromagnetic interference.
★ Great for blocking RF-interfere;
★ If you have computer interference around your computer, get a set and use them,they work;
★ If you are a ham radio operator and the antenna is in your attic.Put them on USB cables, power cables;
★ Fixed LED lighting interference from some over-the-air television channels;
★ More occasions.
Package included:
10 x Same Size Ferrite Core Ring

OUR FERRITE CORE

HOW TO USE:
Clip on all kinds of cables, like USB cable, date line, AV cable, video cable, audio cable etc,.
to anti interference, improve signal and filter.

SPECIFICATION & APPLICATION:
3MM (inner diameter): suitable for 1.5-3.5mm cables;
Application: Car DVR, Headset Cable, Loudspeaker Cable, Mouse Cable, Keyboard Cable, USB Cable etc.,
5MM (inner diameter): suitable for 3.5-5mm cables;
Application: Car DVR, Loudspeaker Cable, Mouse Cable, Keyboard Cable, USB Cable, RS232 Serial Port Camera Cable etc.,
7MM (inner diameter): suitable for 5-7mm cables;
Application: AV cable, Coaxial Audio, Audio Power Line, IP Serial Port Camera etc.,
9MM (inner diameter): suitable for 7-9mm cables;
Application: HDMI Cable, VGA Cable, DVI Cable, Power Line, Loudspeaker Cable, Industrial Cable etc.,
13MM (inner diameter): suitable for 9-13mm cables;
Application: HDMI Cable, IP Line of Communication, DVI Cable, Overstriking VGA Cable etc.,