Products & Services

See also: Categories | Featured Products | Technical Articles

Conduct Research Top

  • Black Box Explains... Category 7/Class F
    Category 7/Class F (ISO/IEC 11801:2002) specifies a frequency range of 1-600 MHz over 100 meters of fully shielded twisted-pair cabling. It encompasses four individually shielded pairs inside an overall shield, called Shielded/Foiled Twisted Pair (S/FTP) or Foiled/ Foiled Twisted Pair (F/FTP).