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BACKBONE RUNS: UTP CABLE ATTENUATION / POWER SUM NEXT LOSS

Frequency
(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 ---/--- 10.0/36 9.3/42
25.0 ---/--- ---/--- 10.4/41
31.25 ---/--- ---/--- 11.7/39
62.5 ---/--- ---/--- 17.0/35
100.0 ---/--- ---/--- 22.0/32
Attenuation per 100 meters (328 feet) @ 20ºC
NEXT: > = 100 meters (328 feet)