{"product_id":"radiomaster-er4-expresslrs-elrs-2-4ghz-micro-receiver","title":"RadioMaster ER4 ExpressLRS (ELRS) 2.4ghz Micro Receiver","description":"\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThese are a new addition to our collection of receivers built on the awesome new ExpressLRS protocol\/platform. These are intended to be a suitable replacement to the FS2A for those looking to keep the analog PWM channels, but switch to the ELRS protocol from Flysky.\u003c\/p\u003e\n\u003cp\u003eThe main differences are this one is a bit bigger than the FS2A or RP2, and weighs about the same as an FS2A. It comes with the pins pre-installed, but they can be removed for direct soldering if you want to save weight.\u003c\/p\u003e\n\u003cdiv\u003e\n\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\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003eER4 PWM receiver\u003cspan\u003e \u003c\/span\u003ecan 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\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\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\n\u003ch2\u003eSpecification\u003c\/h2\u003e\n\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\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0651\/4383\/2807\/files\/ER4__02_jpg.png?v=1777169550\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0651\/4383\/2807\/files\/ER4__04_1024x1024_4c36b013-763f-4878-856b-a059e56ee49c.jpg?v=1777169555\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0651\/4383\/2807\/files\/ER4__05_1024x1024_6bf9115d-cfb4-4f29-b742-d386be8192bc.jpg?v=1777169558\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0651\/4383\/2807\/files\/ER4__06_1024x1024_a35afeb6-60e5-49f1-ba14-57228d177d77.jpg?v=1777169567\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0651\/4383\/2807\/files\/ER4__07_1024x1024_dfaa0411-a5bd-4406-9eeb-adbb2cb5bf39.jpg?v=1777169562\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0651\/4383\/2807\/files\/ER4__08_1024x1024_e7f7912f-5ae7-4b42-a4e6-3597b27f642d.jpg?v=1777169571\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0651\/4383\/2807\/files\/ER4__03_1024x1024_2b3d2c0b-bd35-4a56-a279-f7a49073a6f3.jpg?v=1777169575\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0651\/4383\/2807\/files\/ER4-8_1800x1800_75661256-6234-45fd-a0c7-fc00f11300c4.jpg?v=1777169501\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e","brand":"RadioMaster RC","offers":[{"title":"Default Title","offer_id":52008838824167,"sku":"RX-RM-ER4-ELRS","price":35.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0651\/4383\/2807\/files\/ER4-3_1800x1800_298df8d9-09f5-4835-893a-d714927eefbd.jpg?v=1777169488","url":"https:\/\/combatrobotics.co.nz\/products\/radiomaster-er4-expresslrs-elrs-2-4ghz-micro-receiver","provider":"Combat Robotics NZ","version":"1.0","type":"link"}