Matek Matek mLRS 2.4GHz Receiver mR24-30
Matek Matek mLRS 2.4GHz Receiver mR24-30
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The Matek mR24-30 MAVLink Long Range System is your ticket to unparalleled long-range connectivity. With 30dBm RF power and operating in the 2.4GHz LoRa band , this receiver delivers robust signal strength and reliability over extended distances, perfect for demanding telemetry applications or long-range control links. The MAVLink firmware and STM32G431KB processor ensure seamless data transmission, while its compact size (just 28x21mm) makes it a perfect fit for tight builds. Whether you're running it in standard or SiKTelem mode, this receiver is a powerhouse in the field.
Key Features:
- 30dBm RF Power : Long-range connectivity with up to 1000mW transmission power.
- 2.4GHz LoRa SX1281 with TCXO : Ensures stable performance in the ISM band.
- MAVLink & RC out (CRSF or SBUS) : Supports bi-directional serial data and control signal output.
- Compact & Lightweight : Only 4.5g including antenna, making it ideal for small UAVs.
- Versatile Power Supply : Operates on a wide voltage range (4.5-13V DC).
- Easy Setup & Flashing : Use DFU mode for firmware flashing via USB or the INAV/BetaFlight configurators .
- LED Status Indicators : Clearly signal connection and binding states for ease of use.
- Customizable RF Power : Adjustable power levels from 13dBm up to 30dBm.
Specifications:
- Processor : STM32G431KB
- Firmware : mLRS
- LoRa Module : SX1281 with TCXO
- Power Levels : 13dBm to 30dBm (1000mW)
- Connector : IPEX MHF-1
- Power Supply : 4.5-13V DC @ "V" Pad
- Current Draw : 360mA @ 5V (30dBm)
- PCB Size : 28x21mm
- Weight : 4.5g (including antenna)
Modes & Firmware:
- Standard TX Module : tx-matek-mr24-30-g431kb-default
- SiKTelem Mode : tx-matek-mr24-30-g431kb-siktelem
- RX Receiver Mode : rx-matek-mr24-30-g431kb
LED Indicators:
- Red Flashing (2Hz) : Waiting for transmitter connection.
- Green Flashing (1Hz) : Successfully connected to transmitter.
- Red & Green Alternating : Binding mode.
Setup & Firmware Flashing:
Flash firmware via USB using STM32CubeProgrammer or via INAV/BetaFlight Configurator . For detailed setup, download the firmware from mLRS GitHub .
What's in the Box:
- 1 x Matek mR24-30 Receiver
- 1 x IPEX MHF1 Sleeve Dipole Antenna (15cm)
- 1 x Heatsink (20x20x6mm)
Disclaimer: Accessories may vary based on stock availability.
Setup:
Use mR24-30 as a TX module : tx-matek-mr24-30-g431kb-default-xxx
Use mR24-30 as a TX in SiKTelem mode : tx-matek-mr24-30-g431kb-siktelem-xxx
Modes & Link Rate
Firmware Flashing:
Download STM32CubeProgrammer from ST website
mLRS firmware:
- https://github.com/olliw42/mLRS/tree/v1.3/firmware/release-matek
-
Targets:
- RX Receiver: rx-matek-mr24-30-g431kb
- TX module mode: tx-matek-mr24-30-g431kb-default
- TX SiKtelem mode: tx-matek-mr24-30-g431kb-siktelem
————————————————————————————————————
Make sure DFU driver has been installed. Check out "Install DFU Drivers" in this page
Connect the Receiver USB to computer while holding the boot button in.
- Select USB
- USB1 and click Refresh
- Connect
- select "Erasing & Programming"
- Tick all sectors and click "erase selected sectors"
- Browse firmware (hex or bin file) related to the hardware.
- Click "Start Programming"
- After programming, unplug USB and plug USB back in. If red LED blinks at 2Hz, the receiver is waiting for connecting with transmitter.
*** You can also flash it via INAV or BetaFlight configurator, load firmware local, just like flashing a flight crontroller.
Com / CLI Commands:
- Install serial_port_utility
- Firmware tx-matek-mr900-30-g431kb-default, USB = COM/CLI, connect USB directly to computer, install STM VCP driver, select STM32 COM port
- Firmware tx-matek-mr900-30-g431kb-siktelem, LT1/LR1 = COM/CLI, connect USB-TTL module to LT1/LR1, select USB-TTL COM port
- more CLI commands details.
LED Status
- [Red flashing 2Hz], not connected to transmitter
- [Green flashing 1Hz], connected to transmitter
- [Red and Green alternately ], Binding mode enabled
Binding
- After powering on, press the bind button (for ca. 4 seconds) on the receiver. When in bind mode, the green and red LEDs will blink alternatively with ca 2.5 Hz.
- https://github.com/olliw42/mLRS-docu/blob/master/docs/BINDING.md
Firmware
- mLRS https://github.com/olliw42/mLRS/tree/v1.3/firmware/release-matek
-
Targets:
- RX Receiver: rx-matek-mr24-30-g431kb
- TX module mode: tx-matek-mr24-30-g431kb-default
- TX SiKtelem mode: tx-matek-mr24-30-g431kb-siktelem
Tips
- mLRS Github & Documentation
- mLRS Discord
- mLRS Facebook group
- If set RF power >=500mW, It is recommended to attach the heatsink to the bottom side of PCB. The gaps between fins can be used for mounting with M3 screws
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