RadioMaster Ranger Micro 2.4GHz ExpressLRS LBT TX Module

Introduction

The RadioMaster Ranger Micro 2.4GHz ExpressLRS LBT RF Module represents the pinnacle of ELRS technology for FPV and UAV applications. Designed for pilots demanding the highest levels of control, responsiveness, and reliability, this module integrates advanced features like a 1000Hz refresh rate and a robust cooling system into a compact JR-style form factor. Whether you're into high-speed racing, precision freestyle, or long-range exploration, the Ranger Micro module is engineered to deliver exceptional performance.

Key advantages

• Cutting-edge ExpressLRS 2.4GHz technology for superior performance.
• Ultra-fast packet transmission rate up to 1000Hz for near-instantaneous control.
• High-output power up to 1W (FCC) for extended range and signal penetration.
• Efficient, high-performance cooling system to maintain optimal operating temperatures.
• Integrated Wi-Fi and Bluetooth support for enhanced connectivity and configuration.
• Includes a T-shaped antenna for optimal signal coverage, with an optional MOXON antenna available for directional applications.
• Compact JR-style module design, fitting seamlessly into compatible transmitters.
• LBT (Listen Before Talk) version specifically for European regulations, pre-flashed with CE EU LBT FW (limited to 100mW output).

Technical specifications

• Item: Ranger Micro Module (LBT)
• Regulatory Domain: ISM2400
• MCU: ESP32 (Master), ESP8285 (Slave, as ESP backpack)
• RF Chip: SX1281IMLTRT
• Frequency Range: 2400 MHz - 2480 MHz
• Max Packet Rate: 500Hz / F-1000Hz (F-1000Hz mode requires EdgeTX 2.7.1 or newer)
• Min Receiver Refresh Rate: 25Hz
• RF Output Power: 30dBm for FCC, 20dBm for CE (Adjustable via LUA)
• Wi-Fi Support: Yes
• Bluetooth Support: Yes
• Power Supply Voltage (XT30): DC 6V - 16.8V
• Weight: 50g (with T-antenna) / 40.5g (without antenna)
• Dimensions: 136x49x33mm (with T-antenna) / 74x49x33mm (without antenna)

Applications

This module is ideal for demanding FPV applications including drone racing, freestyle flying, cinematic FPV, long-range flights, and UAV operations where precise control, low latency, and reliable signal are critical.

Compatibility

The Ranger Micro module features a standard JR-style bay, making it compatible with a wide range of FPV radios such as the RadioMaster TX16S, TX16S MkII, TX12, TX12 MkII, and other JR-compatible transmitters. It requires a power supply between DC 6V - 16.8V via the XT30 connector. For the F-1000Hz mode, ensure your EdgeTX firmware is version 2.7.1 or newer.

FAQ

What is the RadioMaster Ranger Micro 2.4GHz ELRS LBT TX Module?

The RadioMaster Ranger Micro 2.4GHz ELRS LBT TX Module is an advanced radio transmitter module utilizing ExpressLRS technology. It offers high refresh rates up to 1000Hz and up to 1W of output power (FCC version), designed for precise and responsive control of FPV drones.

What makes the 1000Hz refresh rate important for FPV pilots?

A 1000Hz refresh rate significantly reduces latency, providing near-instantaneous feedback between your control inputs and the drone's response. This is crucial for high-speed FPV racing and complex freestyle maneuvers, allowing for more precise and agile flying.

Which FPV radios are compatible with the RadioMaster Ranger Micro module?

The Ranger Micro module is designed to fit JR-style module bays. It is officially compatible with RadioMaster TX16S, TX16S MkII, TX12, and TX12 MkII transmitters, and other FPV radios featuring a standard JR module slot.

What is the difference between the LBT and FCC versions?

The LBT (Listen Before Talk) version is designed for European regulations and comes pre-flashed with CE EU LBT firmware, limiting its output power to 100mW. The FCC version is intended for regions that permit higher output power, up to 1W.

Where can I buy the RadioMaster Ranger Micro 2.4GHz ELRS LBT TX Module with fast delivery?

You can buy the RadioMaster Ranger Micro 2.4GHz ELRS LBT TX Module at HTDRONE. We offer fast shipping within Poland and reliable delivery to Ukraine via Nova Poshta, as well as worldwide shipping via DHL.