Select LR Components
30 minutesChoose VTX band (900 MHz, 1.3 GHz), antenna type, receiver sensitivity, and GPS rescue module.
Field context
This workflow is part of 4 niche fields
Complete guide for long range fpv build — step-by-step workflow, tools, checklist, and expert tips to get started.
Choose VTX band (900 MHz, 1.3 GHz), antenna type, receiver sensitivity, and GPS rescue module.
Compute link budget from TX power, antenna gain, receiver sensitivity, and expected range.
Install VTX, mount directional receiver antenna, wire GPS rescue, and configure failsafe RTH.
Fly incremental range tests with spotter, verify RSSI at distance, and test GPS rescue trigger.
Estimate achievable range from VTX power and antenna configuration.
Cut receiver and VTX antennas to correct quarter-wave length.
Verify link margin at target range with terrain and obstacle losses.
Ensure battery capacity supports outbound range plus return flight.
Key benchmarks for long range fpv build.
| Band | Range | License |
|---|---|---|
| 900 MHz | 10+ km | Ham or Part 15 |
| 1.3 GHz | 15+ km | Ham |
| 2.4 GHz | 5 km | Part 15 |
Long-range FPV exceeds visual line of sight — a dedicated spotter is legally and practically required.
Test GPS return-to-home at low altitude over open field before relying on it at distance.
DIY quarter-wave ground plane antennas cost $5 and outperform many commercial options at 900 MHz.