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Guides

RF and wireless problems, explained.

Straight, practical troubleshooting from an RF engineer — organised by the symptom you're actually seeing, not by jargon. Find yours, understand what's likely causing it, and know when it's worth getting someone on site.

Wireless, range & links

when the link won't behave
Wireless range · dropoutsGuide

Why does my wireless keep dropping out?

Poor range and random dropouts almost always trace to something on the air or something in the install. Here's how to tell which.

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TelemetryGuide

Telemetry dropouts: why they happen and how to fix them

Intermittent telemetry has patterns. Walking through the usual culprits — congestion, desense, duty cycle and noise.

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LoRa · LoRaWANSoon

LoRa and LoRaWAN reliability problems, explained

Why a "kilometres of range" radio fails across a yard — gateways, spreading factors, noise floor and siting.

In preparation
AntennaSoon

Is it really an antenna problem? How to tell

Before you replace the antenna: VSWR, cabling, connectors, placement and the things that masquerade as a bad antenna.

In preparation

Interference & noise

when something's on the air that shouldn't be
Radio interferenceGuide

Radio interference: how to find the source and stop it

Broadband or narrowband? Internal or external? The distinction tells you almost everything about the fix.

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RF noiseGuide

RF noise: where it comes from and how to trace it

SMPS, VFDs, LED drivers, plasma — the everyday equipment that raises your noise floor, and how it's tracked down.

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Spectrum interferenceSoon

Spectrum interference: how to read what's on the air

What a spectrum analyser actually shows you — noise floor, occupancy, duty cycle, and spotting the odd one out.

In preparation
Co-siteSoon

Co-site interference: when your own kit is the problem

Transmitters and receivers crammed together create desense and intermod. How to find it and design it out.

In preparation
Can't wait for a guide?

Describe the symptom — I'll tell you what it is.

A few minutes on the phone usually narrows it down. RF engineer, not a call centre.