{"product_id":"radiomaster-er4-receiver","title":"RadioMaster - ER4 Receiver","description":"\u003cp bis_size='{\"x\":12,\"y\":9,\"w\":575,\"h\":58,\"abs_x\":500,\"abs_y\":271}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":10,\"w\":570,\"h\":56,\"abs_x\":500,\"abs_y\":272}'\u003eThe RadioMaster ER series of PWM receivers are based on the revolutionary ExpressLRS system. It offers high performance, high reliability, flexible configuration, fast response speed and ultra-long range bringing you brand new experience with your hobby.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":84,\"w\":575,\"h\":58,\"abs_x\":500,\"abs_y\":346}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":85,\"w\":572,\"h\":56,\"abs_x\":500,\"abs_y\":347}'\u003eThe \u003ca href=\"https:\/\/radiomasterrc.com\/products\/er4-2-4ghz-elrs-pwm-receiver\" bis_size='{\"x\":40,\"y\":85,\"w\":119,\"h\":17,\"abs_x\":528,\"abs_y\":347}' target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #000000;\" bis_size='{\"x\":40,\"y\":85,\"w\":119,\"h\":17,\"abs_x\":528,\"abs_y\":347}'\u003eER4 PWM receiver\u003c\/span\u003e\u003c\/a\u003e can drive 4 servos simultaneously. Designed with a very small volume, it is suitable for small aircraft models, ship models, car models and other models that require a small or lightweight receiver while still providing full range. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":159,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":421}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":160,\"w\":0,\"h\":17,\"abs_x\":500,\"abs_y\":422}'\u003e\u003cbr bis_size='{\"x\":12,\"y\":160,\"w\":0,\"h\":17,\"abs_x\":500,\"abs_y\":422}'\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":194,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":456}'\u003e\u003cspan style=\"color: #000000;\" bis_size='{\"x\":12,\"y\":195,\"w\":65,\"h\":17,\"abs_x\":500,\"abs_y\":457}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":195,\"w\":65,\"h\":17,\"abs_x\":500,\"abs_y\":457}'\u003e\u003cspan style=\"font-size: 14px;\" bis_size='{\"x\":12,\"y\":195,\"w\":65,\"h\":17,\"abs_x\":500,\"abs_y\":457}'\u003eFeatures:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":230,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":492}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":231,\"w\":346,\"h\":17,\"abs_x\":500,\"abs_y\":493}'\u003e·         Based on the Revolutionary ExpressLRS System\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":265,\"w\":575,\"h\":39,\"abs_x\":500,\"abs_y\":527}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":266,\"w\":561,\"h\":36,\"abs_x\":500,\"abs_y\":528}'\u003e·         High performance, high reliability, flexible configuration, fast response speed and ultra-long range\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":321,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":583}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":322,\"w\":197,\"h\":17,\"abs_x\":500,\"abs_y\":584}'\u003e·         Support 4 PWM Channel\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":356,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":618}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":357,\"w\":252,\"h\":17,\"abs_x\":500,\"abs_y\":619}'\u003e·         Optimized ground up PCB design\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":392,\"w\":575,\"h\":39,\"abs_x\":500,\"abs_y\":654}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":393,\"w\":537,\"h\":36,\"abs_x\":500,\"abs_y\":655}'\u003e·         Automatically voltage telemetry of external battery voltage or built-in receiver voltage\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":447,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":709}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":448,\"w\":356,\"h\":17,\"abs_x\":500,\"abs_y\":710}'\u003e·         Supports Wi-Fi updates and WEBUI configuration\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":483,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":745}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":484,\"w\":245,\"h\":17,\"abs_x\":500,\"abs_y\":746}'\u003e·         High quality 2.54 mm connector\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":518,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":780}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":519,\"w\":300,\"h\":17,\"abs_x\":500,\"abs_y\":781}'\u003e·         Standard 15 cm High Sensitivity Antenna\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":554,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":816}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":555,\"w\":314,\"h\":17,\"abs_x\":500,\"abs_y\":817}'\u003e·         For small aircraft, boats and cars and more\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":589,\"w\":575,\"h\":39,\"abs_x\":500,\"abs_y\":851}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":590,\"w\":539,\"h\":36,\"abs_x\":500,\"abs_y\":852}'\u003e·         Compatible with all 2.4GHz ExpressLRS modules and transmitters with built in 2.4GHz ExpressLRS\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":645,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":907}'\u003e \u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":680,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":942}'\u003e\u003cspan style=\"color: #000000;\" bis_size='{\"x\":12,\"y\":681,\"w\":95,\"h\":17,\"abs_x\":500,\"abs_y\":943}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":681,\"w\":95,\"h\":17,\"abs_x\":500,\"abs_y\":943}'\u003e\u003cspan style=\"font-size: 14px;\" bis_size='{\"x\":12,\"y\":681,\"w\":95,\"h\":17,\"abs_x\":500,\"abs_y\":943}'\u003eSpecification:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":716,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":978}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":717,\"w\":287,\"h\":17,\"abs_x\":500,\"abs_y\":979}'\u003e·         Item: ER4 2.4GHz ELRS PWM Receiver\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":751,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":1013}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":752,\"w\":220,\"h\":17,\"abs_x\":500,\"abs_y\":1014}'\u003e·         Power supply: DC 4.5 - 8.4V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":787,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":1049}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":788,\"w\":322,\"h\":17,\"abs_x\":500,\"abs_y\":1050}'\u003e·         Antenna type: 15cm high sensitivity antenna\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":823,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":1085}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":824,\"w\":355,\"h\":17,\"abs_x\":500,\"abs_y\":1086}'\u003e·         Wireless protocol: ExpressLRS 3.3.0 pre-installed\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":858,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":1120}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":859,\"w\":212,\"h\":17,\"abs_x\":500,\"abs_y\":1121}'\u003e·         Output channel: 4CH PWM\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":894,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":1156}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":895,\"w\":210,\"h\":17,\"abs_x\":500,\"abs_y\":1157}'\u003e·         Serial Output: CRSF \/ Sbus\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":929,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":1191}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":930,\"w\":190,\"h\":17,\"abs_x\":500,\"abs_y\":1192}'\u003e·         Telemetry power: 10mw\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":965,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":1227}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":966,\"w\":330,\"h\":17,\"abs_x\":500,\"abs_y\":1228}'\u003e·         Battery voltage detection range: DC 4.0- 35V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":1001,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":1263}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":1002,\"w\":155,\"h\":17,\"abs_x\":500,\"abs_y\":1264}'\u003e·         Weight: 3.0 grams\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":1036,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":1298}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":1037,\"w\":198,\"h\":17,\"abs_x\":500,\"abs_y\":1299}'\u003e·         Dimensions: 30*15*5mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":1072,\"w\":575,\"h\":39,\"abs_x\":500,\"abs_y\":1334}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":1073,\"w\":525,\"h\":36,\"abs_x\":500,\"abs_y\":1335}'\u003e·         Firmware: Device Category: Radiomaster 2.4Ghz \/ Device: RadioMaster ER4 2.4GHz PWM RX\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":1127,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":1389}'\u003e \u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":1162,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":1424}'\u003e\u003cspan style=\"color: #000000;\" bis_size='{\"x\":12,\"y\":1163,\"w\":128,\"h\":17,\"abs_x\":500,\"abs_y\":1425}'\u003e\u003cstrong bis_size='{\"x\":12,\"y\":1163,\"w\":128,\"h\":17,\"abs_x\":500,\"abs_y\":1425}'\u003e\u003cspan style=\"font-size: 14px;\" bis_size='{\"x\":12,\"y\":1163,\"w\":128,\"h\":17,\"abs_x\":500,\"abs_y\":1425}'\u003ePackage Contains:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":1198,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":1460}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":1199,\"w\":268,\"h\":17,\"abs_x\":500,\"abs_y\":1461}'\u003e·         1x ER4 2.4GHz ELRS PWM Receiver\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":1234,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":1496}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":1235,\"w\":166,\"h\":17,\"abs_x\":500,\"abs_y\":1497}'\u003e·         2x Heat-shrink tube\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":1269,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":1531}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":1270,\"w\":261,\"h\":17,\"abs_x\":500,\"abs_y\":1532}'\u003e·         1x Voltage telemetry wire (Type-A)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":1305,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":1567}'\u003e\u003cspan style=\"font-size: 14px; color: #000000;\" bis_size='{\"x\":12,\"y\":1306,\"w\":120,\"h\":17,\"abs_x\":500,\"abs_y\":1568}'\u003e·         1x User Card\u003c\/span\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":1340,\"w\":575,\"h\":19,\"abs_x\":500,\"abs_y\":1602}'\u003e \u003c\/p\u003e\n\u003cp bis_size='{\"x\":12,\"y\":1376,\"w\":575,\"h\":2563,\"abs_x\":500,\"abs_y\":1638}'\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1013\/9127\/0237\/files\/65a946e186046587ER4_Body_Image_01.jpg\" alt=\"\" bis_size='{\"x\":12,\"y\":1376,\"w\":574,\"h\":2559,\"abs_x\":500,\"abs_y\":1638}'\u003e\u003c\/p\u003e","brand":"RadioMaster","offers":[{"title":"Default Title","offer_id":63500195758429,"sku":"RM-02-04-ER4-Receiver","price":14.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1013\/9127\/0237\/files\/1705592708-26673400_bf2811e8-56d7-4568-bd1e-5600c4c5f6fc.jpg?v=1772031242","url":"https:\/\/www.3dxr.co.uk\/products\/radiomaster-er4-receiver","provider":"3DXR","version":"1.0","type":"link"}