{"product_id":"elrs-micro-receiver","title":"BETAFPV ELRS Micro Receiver 2.4GHz ExpressLRS RC Receiver, 5CH PWM Outputs, PWM\/CRSF, U.FL T Antenna","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe \u003ca href=\"https:\/\/rcdrone.top\/collections\/betafpv\" title=\"BETAFPV\"\u003eBETAFPV\u003c\/a\u003e ELRS Micro Receiver is a 2.4GHz ExpressLRS (open-source) RC receiver designed for fixed-wing models and other RC model types. It supports 5-channel PWM outputs and can also be used with CRSF output, offering a plug-and-play installation approach for PWM-based setups.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExpressLRS 2.4GHz ISM receiver (ExpressLRS \/ ELRS)\u003c\/li\u003e\n\u003cli\u003e5 CH PWM outputs\u003c\/li\u003e\n\u003cli\u003eSerial output protocol: PWM or CRSF\u003c\/li\u003e\n\u003cli\u003eFailsafe value configuration via receiver WiFi\u003c\/li\u003e\n\u003cli\u003eU.FL (I-PEX MHF) antenna interface with T antenna\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eItem\u003c\/td\u003e\n\u003ctd\u003eBETAFPV ELRS Micro Receiver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency bands\u003c\/td\u003e\n\u003ctd\u003e2.4GHz ISM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e3.5g (RX only); 4.5g (with antenna)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAntenna\u003c\/td\u003e\n\u003ctd\u003eU.FL + T antenna (recommended: 80mm Dipole T Antenna)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePWM channel\u003c\/td\u003e\n\u003ctd\u003e5 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial output protocol\u003c\/td\u003e\n\u003ctd\u003ePWM or CRSF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMCU\u003c\/td\u003e\n\u003ctd\u003eESP8285\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRF chip\u003c\/td\u003e\n\u003ctd\u003eSX128X; ESP8285\/SX1280\/SX1281 (as provided)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelemetry power\u003c\/td\u003e\n\u003ctd\u003e12.5dbm \/ 17mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput voltage\u003c\/td\u003e\n\u003ctd\u003e5V~9V DC @ \"+\" pad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e19mm x 32mm x 9mm (without antenna); thickness 6mm is also indicated in product labeling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDefault firmware version\u003c\/td\u003e\n\u003ctd\u003eExpressLRS v2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdapted RC model type\u003c\/td\u003e\n\u003ctd\u003eMultirotors, Fixed-wing aircraft, Helicopters, RC Cars, RC Boats, etc.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eDiagram \/ Pads\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAntenna (U.FL \/ I-PEX MHF)\u003c\/li\u003e\n\u003cli\u003eLED\u003c\/li\u003e\n\u003cli\u003eFirmware Upgrade Button\u003c\/li\u003e\n\u003cli\u003eVCC\u003c\/li\u003e\n\u003cli\u003eCH1\u003c\/li\u003e\n\u003cli\u003eCH2-TX\u003c\/li\u003e\n\u003cli\u003eCH3-RX\u003c\/li\u003e\n\u003cli\u003eCH4\u003c\/li\u003e\n\u003cli\u003eCH5\u003c\/li\u003e\n\u003cli\u003eNC\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNote: The Micro receiver supports flashing CRSF output firmware; in that case, CH2 corresponds to TX and CH3 corresponds to RX.\u003c\/p\u003e\u003cp\u003eFirmware note: A provided note states the Micro receiver firmware version manufactured is ELRS 3.3.0, which is not compatible with 2.x. The TX module and receiver must be on the same major ELRS version to bind and operate correctly.\u003c\/p\u003e\u003ch2\u003eBinding Procedure\u003c\/h2\u003e\u003cp\u003eThe Micro receiver comes with officially major release V2.0.0 protocol and has not been set for a Binding Phrase. Ensure the RF TX module is on officially major release V2.0.0 protocol and no Binding Phrase has been set beforehand.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEnter binding mode by plugging in and unplugging the Micro receiver three times.\u003c\/li\u003e\n\u003cli\u003eDouble flashing LED indicates bind mode.\u003c\/li\u003e\n\u003cli\u003ePut the RF TX module or radio transmitter into binding mode to send a binding pulse.\u003c\/li\u003e\n\u003cli\u003eSolid LED indicates successful binding.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eNote: After a successful bind, the receiver stores binding information and will auto-connect on later use. If reflashing with a Binding Phrase, the TX module must use the same Binding Phrase for auto-bind.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003eFailsafe and PWM Output\u003c\/h2\u003e\u003cp\u003eWhen the radio link is lost, failsafe adjusts channels to user-defined failsafe values. This is important when operating without a \u003ca href=\"https:\/\/rcdrone.top\/collections\/flight-controller\" title=\"Flight Controller\"\u003eflight controller\u003c\/a\u003e (for example, RC fixed-wing models).\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePower on the Micro receiver and wait 20 seconds without binding.\u003c\/li\u003e\n\u003cli\u003eWhen the indicator flashes quickly, receiver WiFi is activated.\u003c\/li\u003e\n\u003cli\u003eConnect via phone\/computer.\u003c\/li\u003e\n\u003cli\u003eWiFi Name: ExpressLRS RX\u003c\/li\u003e\n\u003cli\u003eWiFi PWD: expresslrs\u003c\/li\u003e\n\u003cli\u003eOpen: http:\/\/10.0.0.1 and set failsafe values.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eNote: Failsafe values are absolute and do not use the \"invert\" flag.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003eLED Status\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndicator status\u003c\/td\u003e\n\u003ctd\u003eMeaning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolid on\u003c\/td\u003e\n\u003ctd\u003eConnected successfully\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDouble flashing\u003c\/td\u003e\n\u003ctd\u003eBinding status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlashing slowly\u003c\/td\u003e\n\u003ctd\u003eConnection fail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlashing quickly\u003c\/td\u003e\n\u003ctd\u003eWIFI upgrade status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1 x ELRS Micro Receiver\u003c\/li\u003e\n\u003cli\u003e1 x BETAFPV 80mm T antenna\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFixed-wing aircraft\u003c\/li\u003e\n\u003cli\u003eHelicopters\u003c\/li\u003e\n\u003cli\u003eRC cars\u003c\/li\u003e\n\u003cli\u003eRC boats\u003c\/li\u003e\n\u003cli\u003eMultirotors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eManuals \/ Firmware\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHow to flash ELRS RX\/TX firmware: \u003ca href=\"https:\/\/support.betafpv.com\/hc\/en-us\/articles\/4404231679129-How-to-Flash-Firmware-of-ELRS-RX-TX\" rel=\"nofollow noopener\" target=\"_blank\"\u003ehttps:\/\/support.betafpv.com\/hc\/en-us\/articles\/4404231679129-How-to-Flash-Firmware-of-ELRS-RX-TX\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eELRS Micro Receiver 2.4GHz firmware download: \u003ca href=\"https:\/\/support.betafpv.com\/hc\/en-us\/articles\/24409012837657-Firmware-for-ELRS-Micro-Receiver-2-4GHz-\" rel=\"nofollow noopener\" target=\"_blank\"\u003ehttps:\/\/support.betafpv.com\/hc\/en-us\/articles\/24409012837657-Firmware-for-ELRS-Micro-Receiver-2-4GHz-\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eExpressLRS project (GitHub): \u003ca href=\"https:\/\/github.com\/ExpressLRS\" rel=\"nofollow noopener\" target=\"_blank\"\u003ehttps:\/\/github.com\/ExpressLRS\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eSemtech LoRa reference: \u003ca href=\"https:\/\/www.semtech.com\/lora\" rel=\"nofollow noopener\" target=\"_blank\"\u003ehttps:\/\/www.semtech.com\/lora\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv style=\"text-align: start;\"\u003e\u003ciframe height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/XbKpWI0YJ5I\" title=\"YouTube video player\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003cp\u003eFor compatibility questions (radio, firmware major version matching, wiring), contact https:\/\/rcdrone.top\/ or support@rcdrone.top.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"BETAFPV ELRS Micro Receiver 2.4GHz ExpressLRS with 5-channel PWM outputs for fixed-wing models\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BetaFPV-ELRS-Micro-Receiver.jpg?v=1777533189\"\u003e\u003cp\u003eA compact 2.4GHz ExpressLRS micro receiver designed for simple PWM-based installs on fixed-wing models.\u003c\/p\u003e\n\u003cimg alt=\"ELRS micro receiver application graphic for fixed-wing aircraft, RC boats, and RC cars\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BetaFPV-ELRS-Micro-Receiver_d9877827-aa01-4170-a762-bc18315b4339.jpg?v=1777533198\"\u003e\u003cimg alt=\"ExpressLRS receiver series lineup with micro, nano, and lite receiver boards plus dipole antennas\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BetaFPV-ELRS-Micro-Receiver_b427c049-b64b-49e2-865a-f366520e592d.jpg?v=1777533205\"\u003e\u003cimg alt=\"BETAFPV ELRS Micro RX dimensions: 32mm x 19mm footprint with 6mm thickness measurement callouts\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BetaFPV-ELRS-Micro-Receiver_430c20ac-7ebf-4500-b92a-ac2061f668fd.jpg?v=1777533215\"\u003e\u003cp\u003eThe small 32×19mm footprint helps fit the receiver into tight fuselages and compact RC builds.\u003c\/p\u003e\n\u003cimg alt=\"ELRS Micro RX top view with labeled pads: VCC, CH1-CH5, CH2-TX, CH3-RX, LED, and firmware button\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BetaFPV-ELRS-Micro-Receiver_3bea2ff2-f038-490a-bf67-11e0890c7410.jpg?v=1777533225\"\u003e\u003cp\u003eClear pad labeling supports PWM output wiring and optional CRSF serial connections when needed.\u003c\/p\u003e\n\u003cimg alt=\"Receiver configuration screen for PWM output mapping and failsafe values across channels 1 to 5\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BetaFPV-ELRS-Micro-Receiver.avif?v=1777533234\"\u003e\u003cp\u003eFailsafe values can be set per channel, which is especially useful when running without a flight controller.\u003c\/p\u003e\n\u003cimg alt=\"Receiver kit with T antenna, BETAFPV sticker, and 3M adhesive pad for mounting\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/BetaFPV-ELRS-Micro-Receiver_5882fafe-7c88-41ad-b64b-4022ee5a94da.jpg?v=1777533241\"\u003e\n\u003c\/div\u003e","brand":"BETAFPV","offers":[{"title":"ELRS 2.4G V1.2","offer_id":52394232447200,"sku":"01070005_1-1","price":25.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/74b96dbb2d19db9758ba306fc55ad040_1340e50c-08ae-4d63-8a19-5305a3b9d654.jpg?v=1777477375","url":"https:\/\/rcdrone.top\/products\/elrs-micro-receiver","provider":"RCDrone","version":"1.0","type":"link"}