{"product_id":"matek-mlrs-mavlink-868-900mhz-receiver-mr900-30","title":"Matek mLRS MAVLink 868\/900MHz Receiver, mR900-30","description":"\u003cp\u003e\n Unlock reliable long-range communication with the\n \u003cstrong\u003e\n  Matek mR900-30 MAVLink Long Range System\n \u003c\/strong\u003e\n , designed for those who need precision and power in their UAV or telemetry setup. Operating on the 900 MHz LoRa band, this receiver offers a powerful 30 dBm RF output, ensuring consistent transmission over extended distances. With\n \u003cstrong\u003e\n  MAVLink firmware\n \u003c\/strong\u003e\n onboard and full compatibility with other LoRa chip SX126x systems, like the mR900-22, you can stay connected with confidence.\n\u003c\/p\u003e\n\u003cp\u003e\n Note: This unit is\n \u003cstrong\u003e\n  not compatible with ELRS 900MHz or FrSky R9 series\n \u003c\/strong\u003e\n using the SX127x chip. Compatibility matters!\n\u003c\/p\u003e\n\u003ch2\u003e\n Key Features:\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   30 dBm RF Power\n  \u003c\/strong\u003e\n  : 1000mW of power for long-range connectivity.\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   LoRa SX1262 Chip with TCXO\n  \u003c\/strong\u003e\n  : Robust performance on the 900 MHz band (868 MHz for EU, 915 MHz for FCC).\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Bi-Directional Serial MAVLink\n  \u003c\/strong\u003e\n  : Ensures smooth communication between devices.\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Multiple TX Options\n  \u003c\/strong\u003e\n  : Supports CRSF or SBUS for versatile RC outputs.\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Compact Design\n  \u003c\/strong\u003e\n  : PCB measures only 29x21mm, weighing just 5.3g with antenna.\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Durable Build\n  \u003c\/strong\u003e\n  : Includes a heatsink for optimal thermal management under high RF power.\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n Specifications\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  STM32G431KB,  mLRS firmware\n \u003c\/li\u003e\n \u003cli\u003e\n  LoRa SX1262 with TCXO\n \u003c\/li\u003e\n \u003cli\u003e\n  PA\/LNA SE2435L\n \u003c\/li\u003e\n \u003cli\u003e\n  RF Frequency: 900MHz (868MHz, 915MHz FCC)\n \u003c\/li\u003e\n \u003cli\u003e\n  915MHz RF power: 21dBm(min) \/ 22dBm \/ 24dBm \/ 27dBm \/ 30dBm(1000mW)\n \u003c\/li\u003e\n \u003cli\u003e\n  868MHz RF power: 24dBm(min) \/ 24dBm \/ 24dBm \/ 27dBm \/ 30dBm(1000mW)\n \u003c\/li\u003e\n \u003cli\u003e\n  Antenna connector: IPEX MHF-1\n \u003c\/li\u003e\n \u003cli\u003e\n  TX1\/RX1: Bi-directional Serial MAVLink\n \u003c\/li\u003e\n \u003cli\u003e\n  TX2: RC out(CRSF or SBUS)\n \u003c\/li\u003e\n \u003cli\u003e\n  one buttom for DFU mode and Bind\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Power supply: 4.5-13V DC @ \"V\" Pad\n \u003c\/li\u003e\n \u003cli\u003e\n  Power dissipation:  Average 340mA\/Peak 850mA@5V IN(31Hz, 30dbm)\n \u003c\/li\u003e\n \u003cli\u003e\n  PCB Size: 29x21mm\n \u003c\/li\u003e\n \u003cli\u003e\n  Weight: 5.3g w\/ antenna\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Packing:\n  \u003cul\u003e\n   \u003cli\u003e\n    1x mR900-30\n   \u003c\/li\u003e\n   \u003cli\u003e\n    1x IPEX MHF1 dipole antenna. 8cm\n   \u003c\/li\u003e\n   \u003cli\u003e\n    1x Heatsink 20*20*6mm\n   \u003c\/li\u003e\n  \u003c\/ul\u003e\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n LED Status\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  [Red flashing 2Hz], not connected to transmitter\n \u003c\/li\u003e\n \u003cli\u003e\n  [Green flashing 1Hz], connected to transmitter\n \u003c\/li\u003e\n \u003cli\u003e\n  [Red and Green alternately ], Binding mode enabled\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n Binding\n\u003c\/h2\u003e\n\u003cul dir=\"auto\"\u003e\n \u003cli\u003e\n  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.\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003ca href=\"https:\/\/github.com\/olliw42\/mLRS-docu\/blob\/master\/docs\/BINDING.md\" rel=\"noopener\" target=\"_blank\"\u003e\n   https:\/\/github.com\/olliw42\/mLRS-docu\/blob\/master\/docs\/BINDING.md\n  \u003c\/a\u003e\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n Firmware\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  mLRS\n  \u003ca href=\"https:\/\/github.com\/olliw42\/mLRS\/tree\/main\/firmware\/pre-release-stm32\" rel=\"noopener\" target=\"_blank\"\u003e\n   https:\/\/github.com\/olliw42\/mLRS\/tree\/main\/firmware\/pre-release-stm32\n  \u003c\/a\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n  Targets:\n  \u003cul\u003e\n   \u003cli\u003e\n    RX Receiver: rx-matek-mr900-30-g431kb\n   \u003c\/li\u003e\n   \u003cli\u003e\n    TX module mode: tx-matek-mr900-30-g431kb-default\n   \u003c\/li\u003e\n   \u003cli\u003e\n    TX SiKtelem mode: tx-matek-mr900-30-g431kb-siktelem\n   \u003c\/li\u003e\n  \u003c\/ul\u003e\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n Tips\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  \u003ca href=\"https:\/\/github.com\/olliw42\/mLRS\" rel=\"noopener\" target=\"_blank\"\u003e\n   mLRS Github\n  \u003c\/a\u003e\n  \u0026amp;\n  \u003ca href=\"https:\/\/github.com\/olliw42\/mLRS-docu\/tree\/master\" rel=\"noopener\" target=\"_blank\"\u003e\n   Documentation\n  \u003c\/a\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003ca href=\"https:\/\/discord.com\/invite\/vwjzCD6ws5\" rel=\"noopener\" target=\"_blank\"\u003e\n   mLRS Discord\n  \u003c\/a\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003ca href=\"https:\/\/www.facebook.com\/groups\/mlrslink\/\" rel=\"noopener\" target=\"_blank\"\u003e\n   mLRS Facebook group\n  \u003c\/a\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n  If set RF power \u0026gt;=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\n \u003c\/li\u003e\n \u003cli\u003e\n  MATEKSYS mLRS 900MHz series are NOT compatible with ELRS 900MHz \u0026amp; Frsky R9 series using the SX127x. They will not bind with each other.\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\n\u003c\/p\u003e\n\u003ch2\u003e\n Routing and Settings\n\u003c\/h2\u003e\n\u003ch5\u003e\n \u003cstrong\u003e\n  Use mR24-30 as a TX module : tx-matek-mr900-30-g431kb-default-xxx\n \u003c\/strong\u003e\n\u003c\/h5\u003e\n\u003cp\u003e\n \u003cimg alt=\"\" class=\"alignnone size-full wp-image-700893\" height=\"1000\" src=\"https:\/\/old.unmannedtechshop.co.uk\/wp-content\/uploads\/2024\/09\/mR900-30_route1.jpg\" width=\"1500\"\u003e\n\u003c\/p\u003e\n\u003ch5\u003e\n \u003cstrong\u003e\n  Use mR24-30 as a TX in SiKTelem mode : tx-matek-mr900-30-g431kb-siktelem-xxx\n \u003c\/strong\u003e\n\u003c\/h5\u003e\n\u003ch2\u003e\n \u003cimg alt=\"\" class=\"alignnone size-full wp-image-700894\" height=\"1000\" src=\"https:\/\/old.unmannedtechshop.co.uk\/wp-content\/uploads\/2024\/09\/mR900-30_route2.jpg\" width=\"1500\"\u003e\n\u003c\/h2\u003e\n\u003ch2\u003e\n\u003c\/h2\u003e\n\u003ch2\u003e\n Modes and Link Rates\n\u003c\/h2\u003e\n\u003cp\u003e\n \u003cimg alt=\"\" class=\"alignnone size-full wp-image-700895\" height=\"574\" src=\"https:\/\/old.unmannedtechshop.co.uk\/wp-content\/uploads\/2024\/09\/Modes-and-link-rates.jpg\" width=\"1343\"\u003e\n\u003c\/p\u003e\n\u003ch2\u003e\n\u003c\/h2\u003e\n\u003ch2\u003e\n Firmware Flashing\n\u003c\/h2\u003e\n\u003cp\u003e\n Download STM32CubeProgrammer from ST website\n\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n  \u003ca href=\"https:\/\/www.st.com\/en\/development-tools\/stm32cubeprog.html\" rel=\"noopener\" target=\"_blank\"\u003e\n   https:\/\/www.st.com\/en\/development-tools\/stm32cubeprog.html\n  \u003c\/a\u003e\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\n mLRS firmware:\n\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n  \u003ca href=\"https:\/\/github.com\/olliw42\/mLRS\/tree\/main\/firmware\/pre-release-stm32\" rel=\"noopener\" target=\"_blank\"\u003e\n   https:\/\/github.com\/olliw42\/mLRS\/tree\/main\/firmware\/pre-release-stm32\n  \u003c\/a\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n  Targets:\n  \u003cul\u003e\n   \u003cli\u003e\n    RX Receiver: rx-matek-mr900-30-g431kb\n   \u003c\/li\u003e\n   \u003cli\u003e\n    TX module mode: tx-matek-mr900-30-g431kb-default\n   \u003c\/li\u003e\n   \u003cli\u003e\n    TX SiKtelem mode: tx-matek-mr900-30-g431kb-siktelem\n   \u003c\/li\u003e\n  \u003c\/ul\u003e\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Make sure DFU driver has been installed. Check out \"Install DFU Drivers\" in\n \u003ca href=\"https:\/\/www.mateksys.com\/?p=5159#tab-id-1\" rel=\"noopener\" target=\"_blank\"\u003e\n  this page\n \u003c\/a\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Connect the Receiver USB to computer while holding the boot button in.\n\u003c\/p\u003e\n\u003col\u003e\n \u003cli\u003e\n  Select USB\n \u003c\/li\u003e\n \u003cli\u003e\n  USB1 and click Refresh\n \u003c\/li\u003e\n \u003cli\u003e\n  Connect\n \u003c\/li\u003e\n \u003cli\u003e\n  select \"Erasing \u0026amp; Programming\"\n \u003c\/li\u003e\n \u003cli\u003e\n  Tick all sectors and click \"erase selected sectors\"\n \u003c\/li\u003e\n \u003cli\u003e\n  Browse firmware (hex or bin file) related to the hardware.\n \u003c\/li\u003e\n \u003cli\u003e\n  Click \"Start Programming\"\n \u003c\/li\u003e\n \u003cli\u003e\n  After programming, unplug USB and plug USB back in. If red LED blinks at 2Hz, the receiver is waiting for connecting with transmitter.\n \u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\n \u003cimg alt=\"\" class=\"alignnone size-full wp-image-700896\" height=\"789\" src=\"https:\/\/old.unmannedtechshop.co.uk\/wp-content\/uploads\/2024\/09\/mlRS_flashing_USB-2.jpg\" width=\"1216\"\u003e\n\u003c\/p\u003e\n\u003ch2\u003e\n\u003c\/h2\u003e\n\u003ch2\u003e\n COM\/CLI Commands\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Install\n  \u003ca href=\"https:\/\/www.mateksys.com\/downloads\/FC\/serial_port_utility.zip\"\u003e\n   serial_port_utility\n  \u003c\/a\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n  Firmware tx-matek-mr900-30-g431kb-default,  USB = COM\/CLI, connect USB directly to computer, install STM VCP driver,  select STM32 COM port\n \u003c\/li\u003e\n \u003cli\u003e\n  Firmware tx-matek-mr900-30-g431kb-siktelem, LT1\/LR1 = COM\/CLI,  connect USB-TTL module to LT1\/LR1, select USB-TTL COM port\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003ca href=\"https:\/\/github.com\/olliw42\/mLRS-docu\/blob\/master\/docs\/CLI.md\" rel=\"noopener\" target=\"_blank\"\u003e\n   more CLI commands details.\n  \u003c\/a\u003e\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cimg alt=\"\" class=\"alignnone size-full wp-image-700897\" height=\"799\" src=\"https:\/\/old.unmannedtechshop.co.uk\/wp-content\/uploads\/2024\/09\/serial_port_utility.jpg\" width=\"930\"\u003e\n\u003c\/p\u003e\n","brand":"Unmanned Tech","offers":[{"title":"Default Title","offer_id":53458741166427,"sku":"MR900-30","price":23.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/3888\/1627\/files\/Matek-mR900-30.jpg?v=1782583108","url":"https:\/\/trandnova.com\/products\/matek-mlrs-mavlink-868-900mhz-receiver-mr900-30","provider":"Trand Nova","version":"1.0","type":"link"}