How Workmanship Affects Channel Performance

What Decibel's Do (dB)

+3.0 dBDoubles the Power
-3.0 dBCuts the Power in Half

Installation Mistakes

Signal Loss

Full Chanel, Properly InsulatedBenchmark
Cable Flexed 1000 timesNo change
Replace 2 feet of Cat5 patch cord with 2 feet of Cat38.0 dB
Replace 2 feet of Cat5 patch cord with 20 feet of Cat313.0 dB
Coiled Cable in 6 foot circle, 2 inch diamater cross sectionNo change
Bndled and secured cable with ties (20lbs)No change
Removed 1 inch of cable sheath at station end1.2 dB
Removed 12 inches of cable sheath at station2.0 dB
Untwisted pairs 1/2 inch at station end1.5 dB
Untwisted pairs 2 inches at station end3.8 dB
Untwisted pairs 6 inches at station end11.6 dB
Bend cable around a 3 inch diameter1.9 dB
Bend cable around a 1 inch diamater2.1 dB
Kinked Cable2.4 dB
Cable run in aluinum conduitNo change