Buying Guides

Short, accurate reads — written from verified product data. No invented lab results.

Fiber Basics

Single-mode vs multimode in plain terms — wavelengths, transceivers, reach, and where armored construction matters.

Buying Basics

How many fibers a duplex link really uses, when spare pairs pay for themselves, and one-pull-two-links planning.

Connectors

UPC vs APC color codes, Uniboot explained, and how to measure a route so you never order short.