{"product_id":"pre-order-er12-pwm-dual-band-gemini-and-gemini-x-receiver","title":"[Pre-order] ER12 PWM - Dual-Band GEMINI and GEMINI-X Receiver","description":"\u003cp\u003eThe ER12 is designed for larger fixed-wing aircraft that require a higher channel count and robust power handling without unnecessary complexity. Its full-size layout and straightforward integration make it well suited to multi-servo, higher-current installations. \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cem\u003eNote on FCC Certification:\u003c\/em\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cem\u003eDue to current FCC regulations classifying this product as a foreign-produced UAS component, we are currently unable to obtain FCC certification. This item cannot be shipped to or sold in the United States at this time.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 128, 0);\"\u003e\u003cem\u003ePlease note this is the pre-order; Orders start shipping at the end of September.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_1_6dd7e4cc-ee9f-42a8-9cf4-100d56495b9d.jpg?v=1789007544\" alt=\"ER12 PWM - Dual-Band GEMINI and GEMINI-X Receiver\"\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpressLRS Performance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eLow latency, high reliability, and excellent link quality with flexible configuration options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Band Gemini-X RF System (2.4GHz + Sub-G 900MHz):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUtilizes both frequency bands to provide enhanced link reliability across a wide range of operating environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12 PWM Outputs + Serial Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFull 12-channel PWM output with dedicated bidirectional UART and serial interfaces for system integration and expansion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eXT30 Dedicated Power Input:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProvides stable, high-current power delivery for demanding servo systems and larger aircraft installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePWM Signal Amplification:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAmplified 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\u003e\n\u003cstrong\u003eIndependent Multi-Source Voltage Telemetry:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMonitor up to three power sources simultaneously using dedicated ADC channels: EXT-V (up to 70V), receiver supply voltage (V-PWM) (up to 12V), and XT30 input voltage (up to 12V).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal UART Port:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDedicated interface for telemetry, external devices, and system expansion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi Updates \u0026amp; WebUI:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConfigure settings and perform firmware updates wirelessly without disassembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust MMCX Antenna Connectors:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSecure, serviceable antenna connections for easy maintenance and long-term reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Injection-Molded Housing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProvides consistent protection and structural durability for demanding installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDesigned as a PWM receiver for large fixed-wing aircraft, especially where multiple servos and higher current loads are involved.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eCompatible with all ExpressLRS transmitters and modules, including radios with built-in ELRS.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBuilt on the ExpressLRS platform and equipped with dual Semtech LR1121 transceivers, the ER12 utilizes a dual-band Gemini X RF architecture operating on both 2.4 GHz and Sub-G 900 MHz. The result is a stable, consistent control link across a wide range of operating environments, with an architecture that prioritizes dependable operation.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_2_8bac902b-0a01-4748-b229-f4737c522606.jpg?v=1789007544\" alt=\"ER12 PWM - Dual-Band GEMINI and GEMINI-X Receiver\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_3.jpg?v=1789007545\" alt=\"ER12 PWM - Dual-Band GEMINI and GEMINI-X Receiver\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_4.jpg?v=1789007544\" alt=\"ER12 PWM - Dual-Band GEMINI and GEMINI-X Receiver\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe ER12 uses amplified PWM outputs to help maintain reliable servo signals over long leads and extension cables commonly used in larger aircraft. The amplified outputs also help ensure clean and consistent signals when operating larger, high-torque servos that place greater demands on the control system. The receiver also features three independent voltage telemetry channels with dedicated ADCs, allowing simultaneous monitoring of the receiver supply voltage (V-PWM) (up to 12V), the XT30 power input (up to 12V), and an EXT-V input for monitoring external battery voltages up to 70V. Serial connectivity is available via a dedicated 4-pin JST-GH locking UART\/CRSF port for telemetry devices and other serial peripherals.\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_5.jpg?v=1789007545\" alt=\"ER12 PWM - Dual-Band GEMINI and GEMINI-X Receiver\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_6.jpg?v=1789007545\" alt=\"ER12 PWM - Dual-Band GEMINI and GEMINI-X Receiver\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_7.jpg?v=1789007544\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_8.jpg?v=1789007544\" alt=\"ER12 PWM - Dual-Band GEMINI and GEMINI-X Receiver\"\u003e\u003c\/p\u003e\n\u003cp\u003eFrom installation to operation, the ER12 focuses on practicality, with a clean PCB layout to reduce interference, MMCX antenna connectors for easy serviceability, 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_9.jpg?v=1789007545\" alt=\"ER12 PWM - Dual-Band GEMINI and GEMINI-X Receiver\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_10.jpg?v=1789007545\" alt=\"ER12 PWM - Dual-Band GEMINI and GEMINI-X Receiver\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline; color: rgb(255, 128, 0);\"\u003e\u003cstrong\u003e⚠️ XT30 Power Input Notice\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eXT30 Power Input:\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe XT30 provides direct battery voltage to the receiver and PWM power rail. Output voltage matches the input voltage. Use only servos rated for the applied voltage. High-voltage systems (2S LiPo\/Li-ion) require HV-rated servos. Standard 5V servos must be powered through a regulated 5V supply or the standard servo power input pins.\u003cbr\u003eWhen using the XT30 to power the receiver and servos, the ESC’s 5V\/BEC wire \u003cstrong\u003emust be disconnected\u003c\/strong\u003e to prevent back-feeding and possible damage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eEXT-V Power Input:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe EXT-V input is accessed through the 2-pin JST-GH connector. Connect the red wire to the positive (+) terminal of the battery or ESC. The ER12 provides independent ADC channels for monitoring V-EXT and V-XT30, allowing it to accurately detect and report the appropriate input voltage for your installation.\u003cbr\u003eDesigned for large-scale systems using multiple servos and long wiring runs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px; white-space: nowrap;\"\u003e\u003cstrong\u003eItem\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px;\"\u003eER12 PWM - Dual-Band GEMINI and GEMINI-X Receiver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px; white-space: nowrap;\"\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px;\"\u003eDC 5.0 – 12.0V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px; white-space: nowrap;\"\u003e\u003cstrong\u003eWireless Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px;\"\u003eExpressLRS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px; white-space: nowrap;\"\u003e\u003cstrong\u003eOutput Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px;\"\u003e12CH PWM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px; white-space: nowrap;\"\u003e\u003cstrong\u003eSerial Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px;\"\u003eCRSF \/ SBUS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px; white-space: nowrap;\"\u003e\u003cstrong\u003eTelemetry Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px;\"\u003eUp to 100mW (adjustable via LUA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px; white-space: nowrap;\"\u003e\u003cstrong\u003eVoltage Detection Range (EXT-V)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px;\"\u003eDC 4.0 – 70V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px; white-space: nowrap;\"\u003e\u003cstrong\u003eBus Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px;\"\u003eCRSF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px; white-space: nowrap;\"\u003e\u003cstrong\u003eAntenna\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px;\"\u003e25 cm high-sensitivity, MMCX connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px; white-space: nowrap;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px;\"\u003e22.5 g (without antenna)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px; white-space: nowrap;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px;\"\u003e51.0 × 37.6 × 14.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px; white-space: nowrap;\"\u003e\u003cstrong\u003eFirmware Target\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px;\"\u003eRadioMaster Dual 2.4GHz\/900MHz Receiver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px; white-space: nowrap;\"\u003e\u003cstrong\u003eDevice Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px;\"\u003eER12 Dual Band True Diversity + 12×PWM RX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px; white-space: nowrap;\"\u003e\u003cstrong\u003eELRS FW Version\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 8px;\"\u003eRequires version 4.1.0 or Higher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"mysite","offers":[{"title":"FCC","offer_id":47873558905003,"sku":"BR0157.0141","price":59.99,"currency_code":"USD","in_stock":true},{"title":"LBT","offer_id":47873558937771,"sku":"BR0157.0142","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/9191\/0315\/files\/imgi_118_ER12-1_f0f8561c-b649-44b0-aad4-d1e1eed72cc3.jpg?v=1789635828","url":"https:\/\/begreatrchobbystore.com\/de\/products\/pre-order-er12-pwm-dual-band-gemini-and-gemini-x-receiver","provider":"Begreat RC Hobby","version":"1.0","type":"link"}