Holybro Microhard Telemetry Radio: Long-Range Drone Communication
Complete guide to Holybro Microhard telemetry radios for FPV drones. Covers P900 vs P400 frequencies, mesh networking, ArduPilot setup, and professional surveying applications.
ELRS Telemetry Setup: What You Need to Know
How to set up ExpressLRS telemetry on your FPV drone. Covers wiring, Betaflight configuration, telemetry ratios, and troubleshooting common problems.
What Is a Drone Current Sensor and Do You Need One?
Drone current sensors measure amp draw for accurate OSD battery readings. Learn the difference between built-in ADC sensors and external Hall effect sensors, and when...
Built-in vs External Current Sensors: Why Hall Effect Is More Accurate
Built-in ADC current sensors on flight controllers have 10-20% error. External Hall effect sensors offer 1-2% accuracy for reliable OSD battery monitoring.
RFdesign RFD Module Comparison: 868x vs 868ux vs 900x vs 900ux
Compare RFdesign telemetry modems: 868x, 868ux, 900x, and 900ux. Find out which long-range drone radio is right for your build.
Building a Complete Long-Range Drone Data Link
Learn how to build a complete long-range drone data link using RFdesign telemetry modems and TXMOD for reliable control and telemetry beyond 15km.
Pixhawk Telemetry Cables Explained: Which Cable for Your Flight Controller?
A guide to choosing the right telemetry cable for your Pixhawk flight controller and RFdesign modem. Covers pinouts, cable types, and compatibility for RFD868x, RFD900x,...
TXMOD Explained: Adding Long-Range RC Control to Your Transmitter
The RFDesign TXMOD adds long-range RC control to your transmitter over 868/900MHz. Learn how it works, which radios are compatible, and what you need to...
How to Set Up RFdesign Telemetry Radios with ArduPilot and PX4
Step-by-step guide to setting up RFdesign RFD900x and RFD868x telemetry radios with ArduPilot and PX4. Connect, configure, and test your long-range data link.
NDAA Compliant Drone Radios: Why RFdesign Telemetry Modems Matter
NDAA compliant drone radios explained. Learn why RFdesign telemetry modems meet US government requirements and how to choose the right model for your operations.
Long-Range Drone Communication: Antenna Selection and Range Testing
Choosing the right antenna for your long-range drone telemetry setup. Covers omnidirectional, directional, and patch antennas with range testing tips for 868MHz and 900MHz.
RFD900x vs RFD868x: Which Long-Range Telemetry Modem Do You Need?
Compare the RFD900x and RFD868x long-range telemetry modems. Learn which RFdesign radio is right for your drone build based on region and frequency band.