From the HackerLinks archive

QuadRF

A 4×4 MIMO software-defined radio platform for visualizing RF sources and beamforming.

At a glance:

First seen:2026-07-10

Last seen:2026-07-10

Times seen:1

Website:scalerf.com

The short version

A 4×4 MIMO software-defined radio platform for visualizing RF sources and beamforming.

Why it caught our attention

An unusually accessible phased-array SDR kit with concrete maker and engineering appeal.

Where it surfaced on Hacker News

2026-07-10

Editorial paraphrase

Commenters highlighted its hobbyist-friendly packaging, Wi-Fi RF visualization, and open-source customization.

QuadRF can spot drones and see WiFi through my wall