15 July 2026
Why Your Zigbee Devices Keep Dropping — and How to Fix the Dead Spots
The four reasons Zigbee sensors go offline — router starvation, walls, WiFi channel overlap, USB3 noise — and how to plan the dead spots out on a floorplan.
Blog
Tutorials, vendor comparisons, and the RF math behind predictive WiFi planning. Written for home-lab operators and small-office network engineers — no marketing fluff.
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3 June 2026
Free WiFi Planning Tools Compared (2026) — Which Ones Are Actually Free?
An honest comparison of the genuinely-free WiFi planners — WiFi Heatmap, UniFi Design Center, Hamina free, NetSpot, and the paid engineer-grade tools — plus the practical free workflow for a home or homelab.
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19 May 2026
Free Ekahau Alternatives in 2026 — What Actually Works
An honest comparison of the free Ekahau alternatives that still ship in 2026 — NetSpot Free, TamoGraph trial, UniFi Design Center, Cambium WiFi Designer, Hamina free tier, and us.
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19 May 2026
How to Plan WiFi Coverage for a 3-Bedroom Apartment (Without a $5k Tool)
A walkthrough of planning coverage for a 100 m² brick-walled apartment: measuring, deciding on AP count, calibrating, drawing walls, placing APs, validating.
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19 May 2026
Predict WiFi Signal Through Brick Walls — A No-Survey Guide
The free-space path-loss formula, ITU-R P.2040 attenuation table, and the additive multi-wall approximation — with a worked 5 GHz example.
Skip the reading. Plan it.
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