{"product_id":"radiomaster-er16-pwm-dual-band-gemini-gemini-x-receiver","title":"RadioMaster ER16 PWM Dual-band Gemini \u0026 Gemini-X Receiver","description":"\u003cp\u003eThe ER16 is built for large-scale aircraft that demand redundancy, robust power handling, and reliable system integration. Designed with redundancy at every critical point—RF link, power input, and system control—it delivers a stable, high-integrity connection for complex fixed-wing platforms. \u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_1_63a6e607-18e9-43ce-869c-274d5d16ed10.jpg?v=1789019372\" width=\"1024\" height=\"575\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eFeatures\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExpressLRS Performance: Low latency, high reliability, and excellent link quality with flexible configuration options.\u003c\/li\u003e\n\u003cli\u003eDual-Band Gemini X 2.4GHz and Sub-G 900MHz: Simultaneously operates on both frequency bands to maintain a stable RF link in challenging environments.\u003c\/li\u003e\n\u003cli\u003e16 PWM Outputs + Serial Support: Full 16-channel PWM output with dedicated bidirectional UART and serial interfaces for system integration and expansion.\u003c\/li\u003e\n\u003cli\u003eDual XT30 Redundant Power Input (Isolated): Two isolated XT30 inputs support independent redundant power sources with separate telemetry reporting for each battery. If one power source fails, the system continues operating from the remaining supply without interruption.\u003c\/li\u003e\n\u003cli\u003eExternal Safety Switch (SW Port): Dedicated interface for pull-tab or external safety modules, allowing the system to remain inactive until intentional power-up for safer handling and operation.\u003c\/li\u003e\n\u003cli\u003eTop-Mounted Servo Outputs: PWM connections are positioned on the top side for cleaner wiring, easier access, and simplified installation.\u003c\/li\u003e\n\u003cli\u003ePWM Signal Amplification: Amplified PWM outputs help maintain signal quality over long servo leads and extension cables. They also improve compatibility with larger, high-torque servos, helping ensure reliable control signal delivery throughout the aircraft.\u003c\/li\u003e\n\u003cli\u003eIndependent Multi-Source Voltage Telemetry: Monitor up to four power sources simultaneously using dedicated ADC channels: EXT-V (up to 70V), receiver supply voltage (V-PWM) (up to 12V), XT30-1 input voltage (up to 12V), and XT30-2 input voltage (up to 12V).\u003c\/li\u003e\n\u003cli\u003eExternal Voltage Telemetry Connector: Dedicated connection for direct main-pack voltage monitoring.\u003c\/li\u003e\n\u003cli\u003eExternal UART Port: Dedicated interface for telemetry devices, sensors, and system expansion.\u003c\/li\u003e\n\u003cli\u003eWi-Fi Updates \u0026amp; WebUI: Configure and update directly without disassembly.\u003c\/li\u003e\n\u003cli\u003eRobust MMCX Antenna Connectors: Secure, serviceable antenna connections for easy maintenance and long-term reliability.\u003c\/li\u003e\n\u003cli\u003eDurable Injection-Molded Housing: Designed for structural strength and consistent protection in large airframes.\u003c\/li\u003e\n\u003cli\u003eApplication: Designed as a PWM receiver for large fixed-wing aircraft, especially where redundancy and higher channel counts are required.\u003c\/li\u003e\n\u003cli\u003eCompatibility: Compatible with all ExpressLRS transmitters and modules, including radios with built-in ELRS.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAt its core is the ExpressLRS system, built around dual Semtech LR1121 transceivers and a dual-band Gemini X RF architecture operating on both 2.4 GHz and Sub-G 900 MHz. This delivers reliable control link performance across a wide range of operating conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_2_f3ef97f4-2e51-410c-bce4-3b170b8e710c.jpg?v=1789019376\" width=\"1024\" height=\"575\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_3_f547be1d-763b-4658-a20b-8e446c08e73e.jpg?v=1789019379\" width=\"1024\" height=\"575\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_4_3f9ae461-2228-4dcd-9ac4-28f034fc8f6b.jpg?v=1789019379\" width=\"1024\" height=\"575\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eWith 16 PWM outputs, serial protocol support, dedicated telemetry interfaces, an external safety system, and multi-channel voltage telemetry, the ER16 provides comprehensive monitoring and control of critical onboard systems. Independent telemetry channels support Batt 1, Batt 2, Ext-V, and additional sensor-reported voltage sources, providing complete visibility of redundant power systems throughout the aircraft.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_5_d2ee9a36-c2bc-49de-ace4-84fe6a7de539.jpg?v=1789019375\" width=\"1024\" height=\"575\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe ER16 features amplified PWM outputs designed to maintain signal quality across long servo runs and extension cables often found in large-scale aircraft. The amplified output stage also improves compatibility with larger, high-torque servos, helping deliver reliable control signals throughout the aircraft. The receiver also features four independent voltage telemetry channels with dedicated ADCs, allowing simultaneous monitoring of the receiver supply voltage (V-PWM) (up to 12V), XT30-1 input (up to 12V), XT30-2 input (up to 12V), and an EXT-V input for monitoring external battery voltages up to 70V. The ER16 includes a dedicated 4-pin JST-GH locking UART\/CRSF port for flight controllers, stabilisers, telemetry sensors, and other UART peripherals.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_6_a83cee97-c37b-494c-8888-b33b87310153.jpg?v=1789019382\" width=\"1024\" height=\"575\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_8.png?v=1789019385\" width=\"1024\" height=\"575\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_9_a19395a4-a17b-4a18-8ed9-e2f6155b7fe9.jpg?v=1789019376\" width=\"1024\" height=\"575\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eDual isolated XT30 inputs allow independent power sources to operate in parallel without risk of backfeed. If one supply drops, the system continues operating seamlessly from the remaining source without switching or intervention.\u003c\/p\u003e\n\u003cp\u003eFrom installation to operation, every detail is designed to simplify integration and improve serviceability, including top-mounted servo outputs for cleaner wiring, robust MMCX antenna connections, and a durable injection-molded housing built for long-term use.\u003c\/p\u003e\n\u003cp\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_10_3037be59-c976-4951-bc8e-99f132294561.jpg?v=1789019376\" width=\"1024\" height=\"575\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_11_8bae1e12-1214-41a6-a352-86ccf03726d2.jpg?v=1789019379\" width=\"1024\" height=\"575\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eItem: ER16 PWM - Dual-Band GEMINI and GEMINI-X Receiver\u003c\/li\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: 16CH 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: 33.0 g (without antenna)\u003c\/li\u003e\n\u003cli\u003eDimensions: 61.5 × 43.8 × 16.8 mm\u003c\/li\u003e\n\u003cli\u003eFirmware Target: RadioMaster Dual 2.4GHz\/900MHz Receiver\u003c\/li\u003e\n\u003cli\u003eDevice Name: ER16 Dual Band True Diversity + 16×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\u003ch3\u003e Includes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 * ER16 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 * Safety Switch Module\u003c\/li\u003e\n\u003cli\u003e1 * Voltage Telemetry Cable (Type-B)\u003c\/li\u003e\n\u003cli\u003e1 * ELRS RX SBUS Cable\u003c\/li\u003e\n\u003cli\u003e1 * CRSF Cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBrowse More\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrowse All \u003ca href=\"https:\/\/www.phaserfpv.com.au\/collections\/radio-gear\/FRSKY+Receiver\"\u003eRadiomaster Receivers\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eBrowse All \u003ca href=\"https:\/\/www.phaserfpv.com.au\/collections\/receivers\"\u003eReceivers\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eBrowse All \u003ca href=\"https:\/\/www.phaserfpv.com.au\/collections\/radiomaster\"\u003eRadiomaster\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RadioMaster","offers":[{"title":"Default Title","offer_id":47777029488811,"sku":"35863","price":118.95,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1477\/4314\/files\/RM0157-0142-1.png?v=1789037790","url":"https:\/\/phaserfpv.com.au\/products\/radiomaster-er16-pwm-dual-band-gemini-gemini-x-receiver","provider":"Phaser FPV","version":"1.0","type":"link"}