Overview
The RadioMaster Ranger Micro 2.4GHz ELRS Module is an ExpressLRS (ELRS) module designed to add an ELRS link to compatible radios without replacing the transmitter. It supports packet rates up to F-1000Hz and includes a high-efficiency cooling system, with WiFi and Bluetooth support. The module fits JR style micro module bays and can be used with compatible radios such as TX16S, TX16S MkII, TX12, TX12 MkII, and more.
For setup help or after-sales support, contact support@rcdrone.top or visit https://rcdrone.top/.
Key Features
- Built-in ExpressLRS Backpack
- High-efficiency cooling system
- WiFi support: Yes
- Bluetooth support: Yes
- Packet rates up to F-1000Hz
- T-antenna included (T antenna)
- JR adapter for TX16S MkII, TX12 MkII, and more
- With the Micro connector, supports TX16S MkII and TX12 MkII radio
Specifications
| Item | Ranger Micro Module |
| Regulatory domain | ISM2400 |
| MCU | ESP32 (main), ESP8285 (aux, as ESP backpack) |
| RF chip | SX1281IMLTRT |
| Frequency range | 2400 MHz - 2480 MHz |
| Maximum packet rate | 500Hz / F-1000Hz (F-1000Hz mode requires EdgeTX 2.7.1 or later) |
| Minimum receiver refresh rate | 25Hz |
| RF output power | 30dBm for FCC, 20dBm for CE (adjustable by LUA) |
| WiFi support | Yes |
| Bluetooth support | Yes |
| XT30 power supply voltage | DC 6V - 16.8V |
| Weight | 50g (with antenna) / 40.5g (without antenna) |
| Dimensions | 136*49*33mm (with T antenna) / 74*49*33mm (without antenna) |
| T antenna dimensions | 66mm x 66mm |
What’s Included
- 1 * Ranger Micro Module
- 1 * T Antenna
Applications
- Adding a 2.4GHz ExpressLRS (ELRS) link to compatible radio transmitters using JR style micro module bays
- Directional applications with an optional MOXON antenna (not included)
How to Replace Ranger Micro Board
Manuals
Details

Add a 2.4GHz ExpressLRS link to compatible radios with the compact Ranger Micro module, featuring WiFi/Bluetooth and active cooling.

A JR adapter is included for JR-style micro module bays on popular RadioMaster transmitters.

High-efficiency cooling helps maintain reliable performance during higher output power and fast packet rates.

Built-in WiFi and Bluetooth support make updates and configuration easier with ExpressLRS.

Supports packet rates up to F-1000Hz for responsive control on compatible EdgeTX versions.

The included T-antenna connects directly to the module for a clean, compact setup.

Compact module dimensions help it fit neatly in JR micro bays while keeping antenna clearance manageable.
