CATV Training Institute


The links and references on this site are provided by The CATV Training Institute for the benefit of everyone in the CATV community.

If you have a suggestion for something that you would like to see included on our site, we would love to hear from you.

Email us at and we'll review your submission for inclusion on one of our Resource pages.

Tech Charts

Drop cable loss

Attenuation Chart

Hard line loss

Attenuation Chart

CATV Frequencies

North American

U.S. Spectrum

Frequency band

Wire Clearances

Aerial Drop

Utility Mark-Out

Color Codes

25-Pair Phone

Color Code



WiFi Attenuation

Building Materials

Fiber Number Chart

Buffer/Fiber Colors

Fiber Color Chart

Color Code

Fiber Count Chart

Number of Fibers

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