Index · Insights
Field notes.
What we have learned with a tester in hand. No thought-leadership, just method.
01 May 2026 02 Apr 2026
Why a channel certification beats a spec sheet
A datasheet tells you what a cable can do in a lab. A channel test tells you what your installed link actually does. Here is the difference that matters at handover.
Sizing NVR storage to retention, not to guesswork
Camera count tells you almost nothing about storage. Retention window, codec, bitrate and motion profile do. A short method for getting it right the first time.