Category: RF & Antennas

Explore RF technology, antenna design, antenna construction, propagation, signal measurement, interference analysis, and practical radio frequency projects.

Ham Radio RF & Antennas

Building a DIY 869 MHz Yagi-Uda Antenna

This project describes the design and construction of a DIY LoRa Yagi-Uda antenna for the 868/869 MHz frequency...

Aug 27, 2026

3D Printing 868 Mhz 869 MHz Amateur Radio Antenna Building Design Directional DIY High Gain LoRa Maker Meshcom Meshtastic Project RF Yagi-Uda

Ham Radio RF & Antennas

868 MHz Interference Troubleshooting

The 868 MHz frequency range is part of the European ISM (Industrial, Scientific and Medical) band, which is...

Jun 6, 2026

868 Mhz BNetzA Bundesnetzagentur Electromagnetic Interference ISM Band LoRa Mesh Meshtastic Noise RF Short Range Devices Signal Troubleshooting Tutorial Wireless Wireless Communication