{"product_id":"radiomaster-er3-pro-pwm-dual-band-gemini-and-gemini-x-receiver","title":"RadioMaster ER3 PRO PWM - Dual-Band GEMINI and GEMINI-X Receiver","description":"\u003cp\u003eA compact, full-featured receiver for models that require advanced RF performance, telemetry, and connectivity in a space-efficient package. \u003cbr\u003eCompatibility: Compatible with all ExpressLRS transmitters and modules, including radios with built-in ELRS.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDual-Band Gemini X (2.4GHz + Sub-G 900MHz).\u003c\/li\u003e\n\u003cli\u003e3 PWM Outputs + Serial Support: Compact PWM output with CRSF and SBUS options.\u003c\/li\u003e\n\u003cli\u003eExternal UART Port (Locking Connector): Dedicated interface for telemetry, external devices, and system expansion.\u003c\/li\u003e\n\u003cli\u003eIndependent Multi-Source Voltage Telemetry: Monitor up to two power sources simultaneously using dedicated ADC channels: EXT-V (up to 70V), receiver supply voltage (V-PWM) (up to 12V).\u003c\/li\u003e\n\u003cli\u003eMMCX Antenna Connectors: Durable, replaceable antennas with a secure connection.\u003c\/li\u003e\n\u003cli\u003eWi-Fi Updates \u0026amp; WebUI: Configure and update directly without disassembly.\u003c\/li\u003e\n\u003cli\u003eDurable Injection-Molded Housing: Compact, protective enclosure for long-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications.\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eInput Voltage: DC 5.0 – 12.0V\u003c\/li\u003e\n\u003cli\u003eWireless Protocol: ExpressLRS\u003c\/li\u003e\n\u003cli\u003eOutput Channels: 3CH PWM\u003c\/li\u003e\n\u003cli\u003eSerial Output: CRSF \/ SBUS\u003c\/li\u003e\n\u003cli\u003eTelemetry Power: Up to 100mW (adjustable via LUA)\u003c\/li\u003e\n\u003cli\u003eVoltage Detection Range (EXT-V): DC 4.0 – 70V\u003c\/li\u003e\n\u003cli\u003eBus Interface: CRSF\u003c\/li\u003e\n\u003cli\u003eAntenna: 25 cm high-sensitivity, MMCX connector\u003c\/li\u003e\n\u003cli\u003eWeight: 13.5 g (without antenna)\u003c\/li\u003e\n\u003cli\u003eDimensions: 49.2 × 26.8 × 13.0 mm\u003c\/li\u003e\n\u003cli\u003eFirmware Target: RadioMaster Dual 2.4GHz\/900MHz Receiver\u003c\/li\u003e\n\u003cli\u003eDevice Name: ER3Pro Dual Band True Diversity + 3×PWM RX\u003c\/li\u003e\n\u003cli\u003eELRS FW Version: Requires version 4.1.0 or Higher\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1 * ER3PRO PWM - Dual-Band GEMINI and GEMINI-X Receiver\u003c\/li\u003e\n\u003cli\u003e2 * 2.4GHz Antennas\u003c\/li\u003e\n\u003cli\u003e2 * Dual-Band Antennas\u003c\/li\u003e\n\u003cli\u003e1 * Voltage Telemetry Cable (Type-B)\u003c\/li\u003e\n\u003cli\u003e1 * CRSF Cable\u003c\/li\u003e\n\u003cli\u003e1 * ELRS RX SBUS Cable\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Radiomaster","offers":[{"title":"Default Title","offer_id":46523284553798,"sku":"RM0157.0140","price":59.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0412\/2761\/files\/ER3Pro_1_1800x1800_acea8ac7-0f44-46eb-be01-68ca8bc1bb93.png?v=1789040812","url":"https:\/\/www.nextfpv.com\/products\/radiomaster-er3-pro-pwm-dual-band-gemini-and-gemini-x-receiver","provider":"Next FPV","version":"1.0","type":"link"}