Look up: Rf Interference

1. 
   RF Interference
   The induction (generation of current by magnetic lines of force cutting a conductor) of RF signals (usually broadcast by television and radio stations) into audio lines causing noise, buzz and static. Also see the term TV Interference.
   Found on http://www.testing1212.co.uk/a.htm
   
   
2. 
   Rf Interference
   Interference significantly above the range of human hearing. Radio Frequency.
   Found on http://www.traditionalmusic.co.uk/music%
   
   
3. 
   RFI - Radio Frequency Interference
   Noise induced upon signal wires by ambient radio-frequency electromagnetic radiation with the effect of obscuring an instrument signal.
   Found on http://www.contractorsunlimited.co.uk/gl
   
   
4. 
   RFI Radio Frequency Interference
   Computers, like other electronic devices, must be constructed so as not to allow the emission of frequencies that might cause interference with radio or television reception. Good design can minimise the problem, but you will often see additional metal shielding inside a computer or the use of a metal case. Conversely, RFI generated from any nearby...
   Found on http://www.le.ac.uk/cc/glossary/ccglr.ht