It is something that you will have to look for on ask.com because no body knows w2hat you are talking about
EMI & RFI - Brought to you by a Geek Squad Agent.
Shielded wire has a conductive layer to protect against electromagnetic interference (EMI) and radio frequency interference (RFI), while unshielded wire lacks this protective layer. Shielded wire is commonly used in environments with high levels of EMI/RFI.
It is a ferrite core over coax cable, AC or audio cord. It prevents electro-magnetic interference (EMI) and cuts down on radio-frequency interference (RFI).Prevents electric magnetic interference (EMI) and cut down on radio frequency interference (RFI)Simply snap it over any coax cable, AC or audio cordRoSH compliant
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Yes. It is immune to EMF (electromagnetic interference) and does not create its own EMI. Also, it is immune to RFI, or radio frequency interference. This is because fiber optic carries signals as light waves instead of electrical impulses.
Fiber-optic cabling
Fiber optic cable is not subject to EMI and RFI interference because it transmits data using light signals through glass or plastic fiber strands, rather than electrical signals through copper conductors. This makes fiber optic cable ideal for environments where high levels of interference are present, such as near power lines or in industrial settings.
Wire shielding is used to protect the wire from picking up electromagnetic interference (EMI) or radio frequency interference (RFI). This interference can degrade the signal quality and cause malfunctions in electronic devices. The shield acts as a barrier, preventing external signals from affecting the wire's performance.
Shielding
The two types of interference often encountered when using copper media are electromagnetic interference (EMI), caused by external electromagnetic fields disrupting signal transmission, and radio frequency interference (RFI), caused by unwanted radio frequency signals interfering with data transmission.
Electromagnetic Interference
* It is not affected by EMI or RFI.* It is the most expensive type of LAN cabling.