{"product_id":"radiomaster-er8-expresslrs-2-4ghz-8-channel-receiver-hp0157-rx-er8","title":"RadioMaster ER8 ExpressLRS 2.4GHz 8 Channel Receiver HP0157-RX-ER8","description":"\u003cp\u003eThe RadioMaster ER8 is a high-performance 2.4GHz ExpressLRS (ELRS) receiver designed specifically for fixed-wing RC aircraft. Offering eight PWM output channels, advanced telemetry capabilities and exceptional RF performance, the ER8 delivers the ultra-low latency and reliable long-range control that ExpressLRS is renowned for. Housed in a robust one-piece moulded case, it also features a CRSF interface for sensor expansion, making it an excellent choice for sport, scale and FPV fixed-wing aircraft.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine RadioMaster ER8 ExpressLRS receiver\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for fixed-wing aircraft applications\u003c\/li\u003e\n\u003cli\u003eCompatible with all 2.4GHz ExpressLRS transmitters and modules\u003c\/li\u003e\n\u003cli\u003eEight PWM output channels for direct servo connection\u003c\/li\u003e\n\u003cli\u003eAdvanced telemetry support for real-time flight information\u003c\/li\u003e\n\u003cli\u003e4-wire CRSF interface for telemetry sensor expansion\u003c\/li\u003e\n\u003cli\u003eHigh-performance RF design for reliable long-range control\u003c\/li\u003e\n\u003cli\u003eDurable one-piece moulded case for improved strength and protection\u003c\/li\u003e\n\u003cli\u003e20cm high-sensitivity antenna for excellent signal reception\u003c\/li\u003e\n\u003cli\u003eCompact and lightweight design for easy installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: RadioMaster\u003c\/li\u003e\n\u003cli\u003eModel: ER8\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: HP0157-RX-ER8\u003c\/li\u003e\n\u003cli\u003eSKU: RDM-HP0157-RX-ER8\u003c\/li\u003e\n\u003cli\u003eProduct Type: ExpressLRS Receiver\u003c\/li\u003e\n\u003cli\u003eProtocol: ExpressLRS (ELRS) 2.4GHz\u003c\/li\u003e\n\u003cli\u003eChannels: 8 PWM Outputs\u003c\/li\u003e\n\u003cli\u003eOperating Voltage: DC 4.5V–8.4V\u003c\/li\u003e\n\u003cli\u003eAntenna: 20cm High-Sensitivity External Antenna\u003c\/li\u003e\n\u003cli\u003eTelemetry: Supported\u003c\/li\u003e\n\u003cli\u003eCRSF Interface: Yes (4-Wire)\u003c\/li\u003e\n\u003cli\u003eDimensions: 43 × 30 × 15mm\u003c\/li\u003e\n\u003cli\u003eWeight: 16.5g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIncludes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × RadioMaster ER8 2.4GHz ExpressLRS 8 Channel Receiver\u003c\/li\u003e\n\u003cli\u003e1 × Type-B Voltage Telemetry Wire\u003c\/li\u003e\n\u003cli\u003e1 × CRSF Interface Cable\u003c\/li\u003e\n\u003cli\u003e1 × ELRS Receiver to SBUS Cable\u003c\/li\u003e\n\u003cli\u003e1 × User Card\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat models is the ER8 designed for?\u003c\/strong\u003e The ER8 is primarily designed for fixed-wing RC aircraft requiring up to eight individual servo outputs, making it ideal for trainers, sport aircraft, scale models and gliders.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich transmitters is it compatible with?\u003c\/strong\u003e It is compatible with any 2.4GHz ExpressLRS transmitter or external ExpressLRS module, including RadioMaster, Jumper and other ELRS-compatible systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the ER8 support telemetry?\u003c\/strong\u003e Yes. The receiver supports ExpressLRS telemetry, allowing compatible transmitters to display receiver voltage and other telemetry data. It also includes a CRSF interface for connecting additional telemetry sensors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I connect servos directly?\u003c\/strong\u003e Yes. The receiver provides eight standard PWM outputs, allowing conventional RC servos to be connected directly without additional adapters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this suitable for multirotors?\u003c\/strong\u003e While it can be used in many applications, the ER8 is specifically designed for fixed-wing aircraft. Pilots building multirotors will typically choose one of RadioMaster's compact serial ELRS receivers instead.\u003c\/p\u003e\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRequires a compatible 2.4GHz ExpressLRS transmitter or transmitter module.\u003c\/li\u003e\n\u003cli\u003eUpdate transmitter and receiver to compatible ExpressLRS firmware versions before binding.\u003c\/li\u003e\n\u003cli\u003eMount the antenna clear of carbon fibre, batteries and high-current wiring for optimum signal performance.\u003c\/li\u003e\n\u003cli\u003ePerform a full range check before every flight.\u003c\/li\u003e\n\u003cli\u003eSecure the receiver to minimise vibration during operation.\u003c\/li\u003e\n\u003cli\u003eEnsure the supplied operating voltage remains within the specified 4.5–8.4V range.\u003c\/li\u003e\n\u003cli\u003eProtect the receiver from moisture and excessive heat.\u003c\/li\u003e\n\u003cli\u003eFollow all RadioMaster installation and safety instructions.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RadioMaster","offers":[{"title":"Default Title","offer_id":52723428950328,"sku":"RDM-HP0157-RX-ER8","price":99.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/2849\/9768\/files\/RadioMaster_ER8_ExpressLRS_2_2.png?v=1785489527","url":"https:\/\/ozrc.com.au\/products\/radiomaster-er8-expresslrs-2-4ghz-8-channel-receiver-hp0157-rx-er8","provider":"OZRC","version":"1.0","type":"link"}