Backbone Runs: UTP CableFrequency (MHz) Category 3 (dB) Attn/NEXT Category 4 (dB) Attn/NEXT Category 5 (dB) Attn/NEXT 0.064 0.9/- 0.8/- 0.8/- 0.150 -/53 -/68 -/74 0.256 1.3/- 1.1/- 1.1/- 0.512 1.8/- 1.5/- 1.5/- 0.772 2.2/43 1.9/58 1.8/64 1.0 2.6/41 2.2/56 2.0/62 4.0 5.6/32 4.3/47 4.1/53 8.0 8.5/27 6.2/42 5.8/48 10.0 9.7/26 6.9/41 6.5/47 16.0 13.1/23 8.9/38 8.2/44 20.0 […]Read more
Attenuation for Coaxial and UTP CablesAttenuation (dB/100 meters) Frequency (MHz) Thick Coax Thin Coax Cat. 3 UTP Cat. 4 UTP Cat.5 UTP 1 0.62 1.41 2.6 2.2 2.0 10 1.70 4.26 9.7 6.9 6.5 20 6.00 10.0 9.3 50 3.94 9.54 100 13.70 22.0 Note: UTP figures are based on TIA/EIA requirements for horizontal cable.Read more