{"product_id":"matek-mlrs-mavlink-868-900mhz-receiver-mr900-22","title":"Matek mLRS MAVLink 868\/900MHz Receiver, mR900-22","description":"\u003cp\u003e\n Looking for a lightweight, reliable long-range solution for your drone or telemetry system? The\n \u003cstrong\u003e\n  Matek mR900-22 MAVLink Long Range Receiver\n \u003c\/strong\u003e\n might be your perfect match. Operating on the 900 MHz LoRa band with a maximum RF power output of 158mW, it's ideal for those who value stability and efficiency over vast distances. With\n \u003cstrong\u003e\n  MAVLink firmware\n \u003c\/strong\u003e\n built in, this receiver is ready to provide precise communication across long-range UAV setups.\n\u003c\/p\u003e\n\u003cp\u003e\n But beware,\n \u003cstrong\u003e\n  the mR900-22 isn't here to make friends with ELRS 900MHz or FrSky R9 systems\n \u003c\/strong\u003e\n running SX127x chips—it won't bind. Instead, it gets along just fine with other LoRa SX126x systems and STM32WLE5xx-based devices, like the\n \u003cstrong\u003e\n  WIO-E5\n \u003c\/strong\u003e\n or\n \u003cstrong\u003e\n  mR900-30\n \u003c\/strong\u003e\n .\n\u003c\/p\u003e\n\u003ch2\u003e\n Key Features:\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   20 dBm RF Power\n  \u003c\/strong\u003e\n  : Delivers reliable transmission strength for long-range connectivity (up to 158mW).\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   MAVLink Compatible\n  \u003c\/strong\u003e\n  : Designed to communicate seamlessly with UAV systems using MAVLink.\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Dual Buttons for Boot \u0026amp; Bind Modes\n  \u003c\/strong\u003e\n  : Simple setup for bootloader and pairing.\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   LoRa SX1262 Chip\n  \u003c\/strong\u003e\n  : Ensures compatibility with other STM32WLE5xx systems.\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Versatile Outputs\n  \u003c\/strong\u003e\n  : Supports\n  \u003cstrong\u003e\n   CRSF\n  \u003c\/strong\u003e\n  or\n  \u003cstrong\u003e\n   SBUS\n  \u003c\/strong\u003e\n  for RC control outputs.\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\n\u003c\/p\u003e\n\u003ch2\u003e\n Specifications\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  STM32WLE5CC with TCXO,  mLRS firmware\n \u003c\/li\u003e\n \u003cli\u003e\n  RF Frequency: 900MHz (868MHz, 915MHz FCC)\n \u003c\/li\u003e\n \u003cli\u003e\n  RF power: -9dBm(min) \/ 0dBm \/ 10dBm \/ 20dBm \/ 22dBm(158mW)\n \u003c\/li\u003e\n \u003cli\u003e\n  Antenna connector: IPEX MHF-1\n \u003c\/li\u003e\n \u003cli\u003e\n  TX2\/RX2: Bi-directional Serial MAVLink\n \u003c\/li\u003e\n \u003cli\u003e\n  TX1: RC out(CRSF or SBUS)\n \u003c\/li\u003e\n \u003cli\u003e\n  2x buttons for Boot mode and Bind\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Power supply: 4-9V DC @ \"V\" Pad\n \u003c\/li\u003e\n \u003cli\u003e\n  Power dissipation:  Average 67mA\/Peak 170mA@5V IN(31Hz, 22dbm)\n \u003c\/li\u003e\n \u003cli\u003e\n  PCB Size: 24 x 15.5 mm\n \u003c\/li\u003e\n \u003cli\u003e\n  Weight: 2.3g 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 mR900-22\n   \u003c\/li\u003e\n   \u003cli\u003e\n    1x IPEX MHF1 dipole antenna. 8cm\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  \u003cstrong\u003e\n   rx-matek-mr900-22-wle5cc-xxx\n  \u003c\/strong\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  mR900-22 is NOT compatible with ELRS 900MHz \/ Frsky R9 series using the SX127x. They will not bind with each other.\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n\u003c\/h2\u003e\n\u003ch2\u003e\n\u003c\/h2\u003e\n\u003ch2\u003e\n Wiring\n\u003c\/h2\u003e\n\u003cp\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cimg alt=\"\" class=\"alignnone size-full wp-image-700910\" height=\"600\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0914\/9972\/5181\/files\/mR900-22_w.jpg?v=1754235040\" width=\"1500\"\u003e\n\u003c\/p\u003e\n\u003ch2\u003e\n Modes and Link Rates\n\u003c\/h2\u003e\n\u003cp\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cimg alt=\"\" class=\"alignnone size-full wp-image-700911\" height=\"450\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0914\/9972\/5181\/files\/Modes-and-Link-Rates-1.jpg?v=1754235043\" width=\"1065\"\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:   rx-matek-mr900-22-wle5cc-xxx\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Connect the mR900-22 to USB-TTL module (e.g.CP210x, FTDI)\n\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n  mR900-22 RX2  —  USB-TTL module TX\n \u003c\/li\u003e\n \u003cli\u003e\n  mR900-22 TX2  —  USB-TTL module RX\n \u003c\/li\u003e\n \u003cli\u003e\n  mR900-22  V   —  USB-TTL module 5V\n \u003c\/li\u003e\n \u003cli\u003e\n  mR900-22  G   —  USB-TTL module GND\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\n Connect USB-TTL module to computer while holding the receiver boot button in.\n\u003c\/p\u003e\n\u003col\u003e\n \u003cli\u003e\n  Select\n  \u003cstrong\u003e\n   UART\n  \u003c\/strong\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n  Select the\n  \u003cstrong\u003e\n   COM port of USB-TTL module\n  \u003c\/strong\u003e\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\u003c\/p\u003e\n\u003cp\u003e\n \u003cimg alt=\"\" class=\"alignnone size-full wp-image-700912\" height=\"789\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0914\/9972\/5181\/files\/mlRS_flashing_UART.jpg?v=1754235046\" width=\"1216\"\u003e\n\u003c\/p\u003e\n","brand":"Unmanned Tech","offers":[{"title":"Default Title","offer_id":54197546287368,"sku":"MR900-22","price":11.35,"currency_code":"GBP","in_stock":false}],"url":"https:\/\/bidnamic.store\/products\/matek-mlrs-mavlink-868-900mhz-receiver-mr900-22","provider":"Bidnamic Store","version":"1.0","type":"link"}