CAT5E 350Mhz Ethernet Cable Plenum Rated - UL ListedCAT5E Plenum Rated (CMP) With its low smoke Plenum rated jacket, this cable is the choice for installing thru air plenums and ducts. Made of solid copper conductors to meet and exceed ANSI TIA cabling standards. High Bandwidth, High Performance Data Communications Cable Tested to 350MHz for excellent Attenuation and Crosstalk characteristics Flame Retardant PVC Jacket, Plenum (CMP) Rated CAT5e Unshielded Twisted Pair (U UTP) 4 Pair Easily Identified