{"product_id":"speedybee-er4-elrs-pwm-receiver-2-4ghz-expresslrs-4-pwm-channels-nano-module","title":"Speedybee ER4 ELRS PWM Receiver — 2.4GHz ExpressLRS, 4 PWM Channels, Nano Module","description":"\u003cp\u003eDiscover the Speedybee ER4 ELRS PWM Receiver, a compact 2.4GHz module built for reliability and fast response in RC setups. Based on ExpressLRS, it balances high performance with flexible configuration to suit a range of vehicles from tiny drones to model boats and ground machines.\u003c\/p\u003e\n\u003ch2\u003ePerformance you can feel\u003c\/h2\u003e\n\u003cp\u003eDesigned for responsive control, ER4 balances power and precision. The ExpressLRS ecosystem supports ultra-long range, low latency, and robust signals, helping you fly or drive with confidence across complex layouts and windy days.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2.4GHz ELRS technology for fast binding and low-latency links\u003c\/li\u003e\n\u003cli\u003e4 PWM channels allow simultaneous control of four servos or devices\u003c\/li\u003e\n\u003cli\u003eCompact, lightweight footprint ideal for small airframes and micro vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFlexible, maintenance-friendly features\u003c\/h2\u003e\n\u003cp\u003eBeyond core control, the ER4 includes smart telemetry, easy updates, and straightforward setup to keep your system current without hassle.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAutomatic voltage telemetry for external batteries or built-in power\u003c\/li\u003e\n\u003cli\u003eWi-Fi updates and WEBUI configuration for quick adjustments\u003c\/li\u003e\n\u003cli\u003eHigh-sensitivity 15 cm antenna and a durable 2.54 mm connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePractical installation details and included components support a smooth setup. The kit comes with heat-shrink tubes and a voltage telemetry wire, making mounting tidy and simple. A compact profile means you can keep your electronics tucked neatly into tight spaces while preserving range and performance.\u003c\/p\u003e\n\u003ch2\u003eReal-world use cases\u003c\/h2\u003e\n\u003cp\u003eWhether you're outfitting a tiny FPV plane, a small boat, or a compact ground vehicle, the ER4 offers a consistent link and flexible routing options. This receiver is designed to slot into diverse builds where space is at a premium but reliability matters.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does the Speedybee ER4 ELRS PWM Receiver offer for RC setups?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A 2.4GHz ELRS-based receiver with four PWM channels and easy WEBUI\/Wi-Fi configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What installation features come with the ER4 package?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes a 15 cm antenna, 2-54mm connector, heat-shrink tubes, and a voltage telemetry wire for straightforward mounting.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SPEEDY BEE","offers":[{"title":"Default Title","offer_id":46521129173191,"sku":"B0CBP2YNF2","price":35.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/2355\/7319\/files\/speedybee-er4-elrs-pwm-receiver-body.jpg?v=1778257219","url":"https:\/\/toyterrax.com\/products\/speedybee-er4-elrs-pwm-receiver-2-4ghz-expresslrs-4-pwm-channels-nano-module","provider":"ToyTerrax","version":"1.0","type":"link"}