Home 24h Top Newest Best Ask Show Jobs

TechEcho

A tech news platform built with Next.js, providing global tech news and discussions.

Home

Home Newest Best Ask Show Jobs

Resources

HackerNews API Original HackerNews Next.js

© 2025 TechEcho. All rights reserved.

Seeing the invisible: radio interference on the 868 / 915 MHz frequency bands

2 pointsby adunkover 4 years ago

1 comment

superkuhover 4 years ago

Use a $10 rtlsdr dongle with rtl_power+heatmap.py. Or if you want a GUI frontend, qspectrumanalyzer.