RadioMaster Ranger Micro 2.4GHz ELRS Module User Manual

Product Overview

Featuring F-1000Hz refresh rates and a high-efficiency cooling system, the RadioMaster Ranger Micro 2.4GHz ELRS Module represents the cutting edge in ELRS technology. This module is designed to attach to compatible radio transmitters, such as the TX16S, TX16S MKII, TX12, TX12 MKII, BOXER, GX12, and others, allowing users to experience the full capabilities of ELRS.

The module includes a T-shape antenna, optimized for maximum signal coverage. For applications requiring directional transmission, an optional MOXON antenna is available.

Note: The Ranger Micro 2.4GHz ELRS Module is designed for standard JR-style micro module bays. For radios using Nano connectors, please consider the Ranger or Ranger Nano modules.

Visual Description

The Ranger Micro module is a compact unit with a "2.4 GHz" indicator and a weight of "50 GRAMS".

Top View: Features an RP-SMA antenna connector ?.

Back View: Designed for a Standard Size JR Bay. It includes a USB-C port ? for connectivity and an XT30 power connector ⚡ supporting DC 6V - 16.8V. Air vents ?️ and a cooling fan ?️ are visible. The back also shows connection pins labeled "NC [No Connection]", "NC [No Connection]", "5V-12V", "GND [Ground]", and "CRSF [Serial Protocol]".

Side View: The module has dimensions of approximately 74mm in height, 49mm in width, and 33mm in depth when fitted with the T-antenna. Without the antenna, the dimensions are 74mm x 49mm x 33mm.

Features

Built-in ExpressLRS Backpack
High-efficiency cooling system
Wifi and Bluetooth support
Packet rates up to F-1000Hz
Includes a T-antenna ?
Supports TX16S MKII and TX12 MKII radios

Specifications

Specification	Details
Regulatory Domain	ISM2400
MCU	ESP32 (main) / ESP8285 (aux, 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 later)
Min. Receiver Refresh Rate	25Hz
RF Output Power	Default 100mW
Wifi Support	Yes ✔️
Bluetooth Support	Yes ✔️
XT30 Power Supply Voltage	DC 6V - 16.8V
Weight	50g (with antenna) / 40.5g (without antenna)
Dimension (with T-antenna)	1364933mm
Dimension (without antenna)	744933mm
Control Distance	Max 2km

Includes

1x Ranger Micro Module
1x 2.4GHz T-Antenna ?

Default Firmware

RadioMaster Ranger Micro 2.4GHz TX

Support & Community

RadioMaster extends its gratitude to the ExpressLRS team for their support and testing during the development of the Ranger series. For more information and to support the ExpressLRS project, please visit: https://www.expresslrs.org

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