SKU: 26363367354

Matek mR900-30 mLRS (MAVLink long range system) firmware 30dBm RF power 900MHz Receiver

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Description

Matek mR900-30 mLRS (MAVLink long range system) firmware 30dBm RF power 900MHz ReceiverMATEKSYS mLRS 900MHz series are NOT compatible with ELRS 900MHz & Frsky R9 series using the SX127x. They will not bind with each other. LoRa chip SX126x(e. g. mR900 30, E22) and STM32WLE5xx(e. g. mR900 22, WIO E5, E77) are compatible with each other. https: github. com olliw42 mLRS docu blob master docs SX126x_SX127x_INCOMPATIBILITY. md Experience unparalleled long range connectivity with the Matek mR900 30 MAVLink long range system. Equipped with

MATEKSYS mLRS 900MHz series are NOT compatible with ELRS 900MHz & Frsky R9 series using the SX127x. They will not bind with each other.

LoRa chip SX126x(e.g. mR900-30, E22) and STM32WLE5xx(e.g. mR900-22, WIO-E5, E77) are compatible with each other.

Experience unparalleled long-range connectivity with the Matek mR900-30 MAVLink long range system.

Equipped with MAVLink firmware and a 900 MHz LoRa band, the Matek mR900-30 receiver boasts 30 dBm RF power for optimal transmission strength. Stay connected with confidence and clarity.

Check out all our External Modules/Receivers Collection, and the rest of our Matek products!

 

Setup:

Use mR24-30 as a TX module : tx-matek-mr900-30-g431kb-default-xxx

 

Use mR24-30 as a TX in SiKTelem mode : tx-matek-mr900-30-g431kb-siktelem-xxx

Modes & Link Rate

Firmware Flashing:

Download STM32CubeProgrammer from ST website

mLRS firmware:

————————————————————————————————————

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.

  1. Select USB
  2. USB1 and click Refresh
  3. Connect
  4. select “Erasing & Programming”
  5. Tick all sectors and click “erase selected sectors”
  6. Browse firmware (hex or bin file) related to the hardware.
  7. Click “Start Programming”
  8. 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. 

 


Specifications:

  • STM32G431KB,  mLRS firmware
  • LoRa SX1262 with TCXO
  • PA/LNA SE2435L
  • RF Frequency: 900MHz (868MHz, 915MHz FCC)
  • 915MHz RF power: 21dBm(min) / 22dBm / 24dBm / 27dBm / 30dBm(1000mW)
  • 868MHz RF power: 24dBm(min) / 24dBm / 24dBm / 27dBm / 30dBm(1000mW)
  • Antenna connector: IPEX MHF-1
  • TX1/RX1: Bi-directional Serial MAVLink
  • TX2: RC out(CRSF or SBUS)
  • one buttom for DFU mode and Bind
  • Power supply: 4.5-13V DC @ “V” Pad
  • Power dissipation:  340mA@5V IN(31Hz, 30dbm)
  • PCB Size: 29x21mm
  • Weight: 5.3g w/ antenna

 

LED Status

  • [Red flashing 2Hz], not connected to transmitter
  • [Green flashing 1Hz], connected to transmitter
  • [Red and Green alternately ], Binding mode enabled

Binding

Firmware

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
  • MATEKSYS mLRS 900MHz series are NOT compatible with ELRS 900MHz & Frsky R9 series using the SX127x. They will not bind with each other.


Package Includes:

  • 1 x mR900-30
  • 1 x IPEX MHF1 dipole antenna. 8cm
  • 1 x Heatsink 20*20*6mm
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    SKU: 26363367354

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