{"product_id":"darwinfpv-cement-ultra-durable-elrs-2-4g-receiver","title":"DarwinFPV Cement Ultra Durable ELRS 2.4G Receiver, IP67 Waterproof\/Dustproof, 100mW PA, CRSF","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eDarwinFPV “Cement” Ultra Durable ELRS 2.4G Receiver is a potted receiver designed for FPV drone use in harsh environments such as dust, rain, snow, water, and mud. It integrates anti-reverse power connection protection, an IP67 waterproof and dustproof rating, and a built-in 100mW power amplifier (PA) for a stable control link.\u003c\/p\u003e\u003cp\u003eFor pre-sales and technical support, contact \u003ca href=\"https:\/\/rcdrone.top\/\" rel=\"nofollow\"\u003ehttps:\/\/rcdrone.top\/\u003c\/a\u003e or email support@rcdrone.top.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP67 waterproof and dustproof\u003c\/strong\u003e: Ultra-high dustproof and waterproof performance; helps resist metal particles, fine sand and gravel, weeds or dew; suitable for weather conditions such as rain and snow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-reverse connection of power supply\u003c\/strong\u003e: Built-in protection module; the receiver will not be burned even if the power wire is reversed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in 100mW power amplifier (PA)\u003c\/strong\u003e: Telemetry output (RSSI signal is stable), longer distance, better sensitivity, and stronger anti-interference ability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetaflight remote control FC support\u003c\/strong\u003e: Using the ELRS open source project, FC parameters can be adjusted through Betaflight.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eName\u003c\/td\u003e\n\u003ctd\u003eDarwinFPV “Cement” Ultra Durable 2.4G Receiver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e3.0g±0.2g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e14.2mm x 22.0mm x 4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePacket Rate\u003c\/td\u003e\n\u003ctd\u003e2.4GHz ISM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRF\u003c\/td\u003e\n\u003ctd\u003e100mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e60mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol\u003c\/td\u003e\n\u003ctd\u003eCRSF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware\u003c\/td\u003e\n\u003ctd\u003eBETAFPV_Nano_2400_RX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChip\u003c\/td\u003e\n\u003ctd\u003eESP8285, SX128X, AT2401C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAntenna\u003c\/td\u003e\n\u003ctd\u003eMini T antenna (50mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFactory firmware\u003c\/td\u003e\n\u003ctd\u003eELRS_V3.2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDarwinFPV “Cement” Ultra Durable 2.4G Receiver x1\u003c\/li\u003e\n\u003cli\u003eSilicone cable (length 70mm) x1\u003c\/li\u003e\n\u003cli\u003eTransparent heat shrink tube (length 50mm, diameter 14mm) x1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWiring \u0026amp; Setup\u003c\/h2\u003e\u003ch3\u003eFC Wiring (CRSF)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGND to FC GND\u003c\/li\u003e\n\u003cli\u003e5V to FC 5V\u003c\/li\u003e\n\u003cli\u003eTX to FC RX\u003c\/li\u003e\n\u003cli\u003eRX to FC TX\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBetaflight Configuration\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIn Betaflight Configurator, open the \u003cstrong\u003ePorts\u003c\/strong\u003e tab and enable the corresponding UART as \u003cstrong\u003eSerial Rx\u003c\/strong\u003e. Save and reboot.\u003c\/li\u003e\n\u003cli\u003eIn the \u003cstrong\u003eReceiver\u003c\/strong\u003e tab, set \u003cstrong\u003eReceiver Mode\u003c\/strong\u003e to \u003cstrong\u003eSerial (via UART)\u003c\/strong\u003e, then set \u003cstrong\u003eSerial Receiver Provider\u003c\/strong\u003e to \u003cstrong\u003eCRSF\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBinding Method\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003ePower the receiver on and off for 3 consecutive times (within 1 second interval).\u003c\/li\u003e\n\u003cli\u003eThe LED flashes twice, indicating the receiver has entered binding mode.\u003c\/li\u003e\n\u003cli\u003ePut the TX module or the remote controller into binding state. When the LED becomes steady on, binding is successful.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eIndicator Light States\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGreen light always on: Bind successfully\u003c\/li\u003e\n\u003cli\u003eGreen light double flash: Entered bind mode\u003c\/li\u003e\n\u003cli\u003eGreen light flashing slowly: No TX module signal connection\u003c\/li\u003e\n\u003cli\u003eGreen light flashing quickly: Entered WiFi mode\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"DarwinFPV Cement ultra durable ELRS 2.4G receiver with IP67 waterproof and dustproof protection\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/DarwinFPV-Cement-Ultra-Durable-ELRS-24G-Receiver.jpg?v=1778039289\"\u003e\u003cp\u003eBuilt for harsh flying conditions, the potted Cement receiver is rated IP67 to help resist dust, rain, snow, and splashes.\u003c\/p\u003e\n\u003cimg alt=\"Close-up of receiver PCB highlighting anti-reverse power connection protection module\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/DarwinFPV-Cement-Ultra-Durable-ELRS-24G-Receiver_c6e1be54-ec86-49d4-b0f2-35ff3c4044ff.jpg?v=1778039295\"\u003e\u003cp\u003eAnti-reverse power protection helps prevent damage if the power leads are accidentally connected backwards.\u003c\/p\u003e\n\u003cimg alt=\"DarwinFPV Cement ELRS 2.4G receiver board highlighting built-in 100mW power amplifier (PA) area\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/DarwinFPV-Cement-Ultra-Durable-ELRS-24G-Receiver_2fabd016-8b93-443e-90a2-6ddd1cd06cdb.jpg?v=1778039301\"\u003e\u003cp\u003eA built-in 100mW PA is designed to support a more stable control link with improved sensitivity and interference resistance.\u003c\/p\u003e\n\u003cimg alt=\"Betaflight remote control support graphic for ELRS receiver, enabling flight controller parameter tuning\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/DarwinFPV-Cement-Ultra-Durable-ELRS-24G-Receiver_f3d23855-492f-41c6-b707-eeea77286bd2.jpg?v=1778039308\"\u003e\u003cimg alt=\"CRSF wiring diagram: GND, 5V, TX and RX connections from receiver to flight controller (FC)\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/DarwinFPV-Cement-Ultra-Durable-ELRS-24G-Receiver_26334eb2-2c6c-41c9-9ee1-e69743755565.jpg?v=1778039316\"\u003e\u003cp\u003eWire the receiver to your FC using CRSF: GND to GND, 5V to 5V, and cross TX\/RX between the receiver and UART.\u003c\/p\u003e\n\u003cimg alt=\"Receiver indicator LED meanings table for bind success, bind mode, no signal, and WiFi mode states\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/DarwinFPV-Cement-Ultra-Durable-ELRS-24G-Receiver.png?v=1778039323\"\u003e\u003cp\u003eUse the green LED patterns to confirm bind status, troubleshoot signal loss, or enter WiFi mode for configuration.\u003c\/p\u003e\n\u003cimg alt=\"Betaflight Ports tab screenshot enabling UART Serial RX for the receiver connection\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/DarwinFPV-Cement-Ultra-Durable-ELRS-24G-Receiver.avif?v=1778039329\"\u003e\u003cimg alt=\"Betaflight Receiver settings selecting Serial (via UART) and CRSF as the serial receiver provider\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/DarwinFPV-Cement-Ultra-Durable-ELRS-24G-Receiver_38d110b0-647b-4bca-9686-01a4211f3492.avif?v=1778039335\"\u003e\n\u003c\/div\u003e","brand":"DarwinFPV","offers":[{"title":"Cement 2.4g receiver \/ Care Card","offer_id":52563466682592,"sku":"DarwinFPV_Cement_Ultra_Durable_ELRS_8b4635-1","price":27.39,"currency_code":"USD","in_stock":true},{"title":"Cement 2.4g receiver \/ No Need","offer_id":52563466715360,"sku":"DarwinFPV_Cement_Ultra_Durable_ELRS_8b4635-2","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/1_affe9189-12c4-4469-ba2a-1699b769b326.jpg?v=1777993344","url":"https:\/\/rcdrone.top\/products\/darwinfpv-cement-ultra-durable-elrs-2-4g-receiver","provider":"RCDrone","version":"1.0","type":"link"}