{"product_id":"er4-2-4ghz-elrs-pwm-receiver","title":"ER4 2.4GHz ELRS PWM Receiver","description":"\u003cp\u003eThe RadioMaster ER series of PWM receivers is built on the innovative ExpressLRS protocol. It provides high performance, dependable signal, versatile configuration, and quick response time, offering a new experience for your projects and applications.\u003c\/p\u003e\u003cp\u003eThe  can drive 4 servos simultaneously. Designed for a very small volume, it is suitable for any application that requires a small or lightweight receiver while still providing full range.\u003c\/p\u003e\u003cp style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/ER4__01.jpg?v=1778138571\" alt=\"ER4 2.4GHz ELRS PWM Receiver\" style=\"float: none;\"\u003e\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBased on the Revolutionary ExpressLRS System\u003c\/li\u003e\n\u003cli\u003eHigh performance, high reliability, flexible configuration, low latency, and strong link quality\u003c\/li\u003e\n\u003cli\u003eSupport 4 PWM Channel\u003c\/li\u003e\n\u003cli\u003eOptimized ground up PCB design\u003c\/li\u003e\n\u003cli\u003eAutomatically voltage telemetry of external battery voltage or built-in receiver voltage\u003c\/li\u003e\n\u003cli\u003eSupports Wi-Fi updates and WEBUI configuration\u003c\/li\u003e\n\u003cli\u003eHigh quality 2.54 mm connector\u003c\/li\u003e\n\u003cli\u003eStandard 15 cm High Sensitivity Antenna\u003c\/li\u003e\n\u003cli\u003eFor any application that requires a small or lightweight receiver\u003c\/li\u003e\n\u003cli\u003eCompatible with all 2.4GHz ExpressLRS modules and transmitters with built in 2.4GHz ExpressLRS\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecification\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eItem: ER4 2.4GHz ELRS PWM Receiver\u003c\/li\u003e\n\u003cli\u003ePower supply: DC 4.5 - 8.4V\u003c\/li\u003e\n\u003cli\u003eAntenna type: 15cm high sensitivity antenna\u003c\/li\u003e\n\u003cli\u003eWireless protocol: ExpressLRS 3.3.0 pre-installed\u003c\/li\u003e\n\u003cli\u003eOutput channel: 4CH PWM\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTelemetry power: 10mw\u003c\/li\u003e\n\u003cli\u003eBattery voltage detection range: DC 4.0- 35V\u003c\/li\u003e\n\u003cli\u003eWeight: 3.0 grams\u003c\/li\u003e\n\u003cli\u003eDimensions: 30*15*5mm\u003c\/li\u003e\n\u003cli\u003eFirmware: Device Category: Radiomaster 2.4Ghz \/ Device: RadioMaster ER4 2.4GHz PWM RX\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"text-align: left;\"\u003e\u003cimg style=\"float: none;\" alt=\"ER4 2.4GHz ELRS PWM Receiver\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/ER4__02_jpg.png?v=1763621161\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/8324\/7079\/files\/ER4__04_1024x1024.jpg?v=1686556277\" alt=\"RadioMaster ER4 2.4GHz ELRS PWM Receiver\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/8324\/7079\/files\/ER4__05_1024x1024.jpg?v=1686556283\" alt=\"RadioMaster ER4 2.4GHz ELRS PWM Receiver\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/8324\/7079\/files\/ER4__06_1024x1024.jpg?v=1686556290\" alt=\"RadioMaster ER4 2.4GHz ELRS PWM Receiver\" style=\"float: none;\"\u003e\u003cimg alt=\"RadioMaster ER4 2.4GHz ELRS PWM Receiver\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/8324\/7079\/files\/ER4__07_1024x1024.jpg?v=1686556296\" style=\"float: none;\"\u003e\u003cimg style=\"float: none;\" alt=\"RadioMaster ER4 2.4GHz ELRS PWM Receiver\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/8324\/7079\/files\/ER4__08_1024x1024.jpg?v=1686556303\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/8324\/7079\/files\/ER4__03_1024x1024.jpg?v=1686556270\" alt=\"RadioMaster ER4 2.4GHz ELRS PWM Receiver\"\u003e\u003c\/p\u003e\u003cul\u003e\u003c\/ul\u003e\u003cul\u003e\u003c\/ul\u003e\u003ch2\u003eSize\u003c\/h2\u003e\u003cp style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/8324\/7079\/files\/ER4-8_8ec762c7-4fd7-46a4-9123-b37794e5f146_480x480.jpg?v=1686641339\" alt=\"RadioMaster ER4 2.4GHz ELRS PWM Receiver\"\u003e\u003c\/p\u003e\u003ch2 style=\"text-align: left;\"\u003eRadioMaster ER Series Receivers\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003cli\u003e\n\u003c\/ul\u003e\u003ch2\u003ePackage Includes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1 * ER4 2.4GHz ELRS PWM Receiver\u003c\/li\u003e\n\u003cli\u003e2 * Heat-shrink tube\u003c\/li\u003e\n\u003cli\u003e1 * Voltage telemetry wire (Type-A)\u003c\/li\u003e\n\u003cli\u003e1 * User Card\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0609\/8324\/7079\/files\/3f89305fb1dabad87b9b93324e3c25cd_480x480.jpg?v=1686557812\" alt=\"RadioMaster ER4 2.4GHz ELRS PWM Receiver\" style=\"float: none;\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: left;\"\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cimg style=\"margin-right: 16px; float: left;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/44b5d11d20914da185c49f0da7d24adc.png?v=1763103206\"\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cstrong\u003e\u003cspan data-type=\"text\"\u003eER4 Receiver is installed with ExpressLRS as standard.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan data-type=\"text\"\u003eExpressLRS is an open-source, high-performance radio control link that delivers exceptional range and low-latency communication using advanced LoRa technology. It's highly customizable and perfect for RC enthusiasts looking for reliability and efficiency.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan data-type=\"text\"\u003ePair your ExpressLRS with Radiomaster's top-tier transmitters and receivers. Radiomaster products are designed to maximize the benefits of ExpressLRS, offering state-of-the-art performance for your RC adventures. Upgrade your RC experience with the unbeatable combination of ExpressLRS and Radiomaster—engineered for excellence and tailored for you.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"mysite","offers":[{"title":"Default Title","offer_id":47436471992491,"sku":"HP0157.RX-ER4","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/9191\/0315\/files\/ER4-1.jpg?v=1784534296","url":"https:\/\/begreatrchobbystore.com\/de\/products\/er4-2-4ghz-elrs-pwm-receiver","provider":"Begreat RC Hobby","version":"1.0","type":"link"}