MicoAir LR900-P 915MHz LoRa Telemetry Radio for Pixhawk / ArduPilot / PX4 — 1W FHSS, Flagship Long Range (Pair)

📘 Documentation & Guides

• LR900 Series — Full User Manual — specs, model comparison, interfaces and every configurable parameter
• ArduPilot — Telemetry Setup Guide · PX4 — Telemetry Setup Guide
• CP2102 Driver Installation (Windows) — the one-time step before the radio shows up as a COM port

Setting it up with an AI assistant? Read our AI setup guide first. It shows you how to point ChatGPT, Claude or Gemini at the official manual for this product, so the answers come from the real pinout and parameter names instead of guesses.

Overview

The LR900-P is the flagship of the LR900 family: a full 1 W (1000 mW) of transmit power — double the LR900-F — wrapped in a protective translucent enclosure. It's a plug-and-play MAVLink telemetry link for Pixhawk-standard flight controllers running ArduPilot or PX4: live HUD, parameter tuning and mission upload in Mission Planner or QGroundControl, at ranges where WiFi and Bluetooth gave up long ago. LoRa spread-spectrum modulation plus FHSS frequency hopping keep the link solid through interference, and transparent serial passthrough also makes it a clean RTK base–rover data link.

Sold as a complete pair — air unit, ground unit, antennas, cables and USB adapter. Plug one into the flight controller, one into your laptop or ground station, done.

Features

• 890–915 MHz band, LoRa modulation + FHSS frequency hopping
• 1000 mW transmit power — the highest in the LR900 series
• Up to 3.2 KB/s transparent throughput (FHSS downlink), 8 KB max serial packet
• Protective injection-molded enclosure with mounting tabs
• USB-C on board (CP2102) — ground-side connection and configuration without extra adapters
• Transparent serial: ArduPilot, PX4, RTK base–rover, or any UART device
• Average power consumption ~2 W — supply from a 5 V source able to deliver it

Which LR900?

• LR900-P (this one): 1 W, enclosure, maximum range and throughput — the long-range flagship
• LR900-F: 500 mW — the proven mid-range pick
• LR900-A: 160 mW budget pair for bench and short-range work

Package list

• LR900-P telemetry radio module × 2
• 900 MHz 2 dBi antenna × 2
• USB-A to USB-C adapter × 1
• GH1.25-4P to SH1.0-4P cable 20 cm × 1 (for MicoAir 405/743)
• GH1.25-4P to MX1.25-6P cable 20 cm × 1 (for Pixhawk 1/2)
• GH1.25-4P to GH1.25-6P cable 20 cm × 1 (for Pixhawk 4/5/6)

Regulatory note

The 902–928 MHz ISM band is license-free in North America; 1 W output is within the FCC/ISED ISM limits commonly applied to frequency-hopping devices. Operating rules vary elsewhere (e.g. 868 MHz regions) — you are responsible for compliance with local regulations.

Technical Support

Questions before or after your build? Email support@robofusion.net — we respond within 24 hours on business days (excluding public holidays). First-line answers live at docs.robofusion.net.