RadioMaster Ranger 2.4GHz ELRS Module User Manual

Product Overview

The RadioMaster Ranger is a high-performance 2.4GHz ExpressLRS module designed for RC enthusiasts. It features an OLED display, a directional menu key, and two assignable shortcut keys, offering intuitive control and configuration.

The module is built with a rugged CNC machined aluminum case, which also serves as an efficient heat sink, ensuring optimal performance during operation.

Module Layout and Components

The module is designed for easy identification of its various parts:

Front View: Features an RP-SMA antenna connector, a 5-direction NAV KEY for navigation, a shortcut BUTTON, an RGB indicator light, a cooling FAN, and an OLED display.
Bottom View: Includes a USB-C port for connectivity and an XT30 power connector (DC 6V - 16.8V).
Top View: Shows dimensions (51mm) and air vents.
Side View: Shows dimensions (25mm, 95mm) and the overall profile.
Back View: Includes an adapter connector port and mounting points for M2X5 screws.

Note: The module comes with a removable clear plastic cover.

Key Features

Built-in ExpressLRS Backpack
OLED Display for clear information
Rugged CNC Aluminum Case for durability and cooling
Built-in Accelerometer (STK8BA58 MEMS)
Supports packet rates up to F-1000Hz (requires EdgeTX 2.7.1 or later for F-1000Hz mode)
Wi-Fi and Bluetooth support
High-efficiency cooling system
5-Direction NAV key and customizable shortcut buttons
Includes Micro and Nano adapters for compatibility
Comes with Moxon and T-antennas
Includes CRSF cable for compatible Futaba radios

Included in the Package

1x Ranger 2.4GHz ELRS Module
1x 2.4GHz Moxon Antenna
1x 2.4GHz T-Antenna
1x Futaba CRSF socket cable
1x Micro Adapter
1x Nano Adapter
1x Hexagon socket screwdriver
3x M2*5 Screws
1x Manual

Specifications

Specification	Details
Regulatory Domain	ISM2400
MCU	ESP32 (main), ESP8285 (aux, as ESP backpack)
RF Chip	SX1281IMLTRT6
Frequency Range	2400 MHz - 2480 MHz
Maximum Packet Rate	500Hz / F-1000Hz
Control Distance	Max 2km
Min. Receiver Refresh Rate	25Hz
Module Bay Adapters	JR standard 5pin socket & Nano standard 8pin socket
Futaba CRSF Socket Cable	Included
OLED Screen	64 x 128px
Wi-Fi & Bluetooth Support	Yes
3-Axis Accelerometer	Yes (STK8BA58 MEMS Accelerometer)
Built-in RGB Light Strip	Yes
XT30 Power Supply Voltage	DC 6V - 16.8V
Weight	138g (with Moxon antenna), 135g (with T antenna), 126g (without antenna)
Dimension	955125mm (without antenna)
Firmware (pre-installed)	ExpressLRS v3.0

Default Firmware

The default firmware is RadioMaster Ranger 2.4GHz TX.

Acknowledgement

RadioMaster expresses gratitude to the ExpressLRS team for their support and testing during the development of the Ranger series. To learn more and support the ExpressLRS project, visit: https://www.expresslrs.org.

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