MATEKSYS mLRS MAVLink 900MHz TX Module KIT, mR900-30-TX

About this product

Specifications

• mR900-30

  • STM32G431KB,  mLRS firmware

  • LoRa SX1262 with TCXO

  • PA/LNA SKY68383-11

  • 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 to SMA

• mRx-Tx Adapter

  • Built-in HC-04 Bluetooth module

  • Built-in 5V fan controller,  running if output power>=500mW

  • TX2: RC IN(CRSF)

  • one buttom for DFU mode and Bind

  • Red and Green LED for mLRS status

  • Blue LED for Bluetooth status

  • Power supply: 5-13V DC @ JR_PIN3 (VIN)

• Packing:

  • 1x mR900-30-TX,

  • 1x IPEX MHF1 to SMA adapter cable 5cm,

  • 1x IPEX MHF1 to RP-SMA adapter cable 5cm

  • 1x 5V Fan (25*25*10mm) and some screws

  • no SMA antenna & 3D printed Case packed

• Downloads:

  • JR Bay Case 3D print (stl)

  • mRX-TX Adapter 3D (step)

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

• Target:  tx-matek-mr900-30-g431kb-default

Tips

• mLRS Github  & Documentation

• mLRS Discord

• mLRS Facebook group

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

Warning