{"product_id":"pre-order-er3-pro-pwm-dual-band-gemini-and-gemini-x-receiver","title":"[Pre-order] ER3 PRO PWM - Dual-Band GEMINI and GEMINI-X Receiver","description":"\u003cp\u003eThe ER3 PRO is a compact receiver designed for installations where space is limited but link reliability and system access remain important. Despite its small footprint, it retains a full-featured RF and telemetry interface, making it well suited for clean, space-constrained builds.\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\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 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_257ed0b4-08e5-4eaa-8020-468b255b674c.jpg?v=1789020923\" alt=\"ER3 PRO PWM - Dual-Band GEMINI and GEMINI-X Receiver\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\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 (2.4GHz + Sub-G 900MHz):\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eUtilizes both frequency bands to provide enhanced link reliability across a wide range of operating environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 100mW Telemetry Output:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncreased telemetry output power for improved data reliability and range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 PWM Outputs + Serial Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCompact PWM output with CRSF and SBUS options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal UART Port (Locking Connector):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDedicated interface for telemetry, external devices, and system expansion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent Multi-Source Voltage Telemetry:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMonitor 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\u003e\n\u003cstrong\u003eMMCX Antenna Connectors:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDurable, replaceable antennas with a secure connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi Updates \u0026amp; WebUI:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConfigure and update directly without disassembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Injection-Molded Housing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCompact, protective enclosure for long-term reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA compact, full-featured receiver for models that require advanced RF performance, telemetry, and connectivity in a space-efficient package.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCompatible 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. Combined with up to 100mW telemetry output power, it provides a stable control link and enhanced telemetry performance for applications where reliable telemetry data is important.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_2_e15bb881-3bc1-45ca-a618-8d120bd4d316.jpg?v=1789020923\" alt=\"ER3 PRO 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_41a4c6e4-a199-4685-ac87-e14e20acc5cb.jpg?v=1789020922\" alt=\"ER3 PRO 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_45bef269-b2de-41c1-9137-2808f4164b95.jpg?v=1789020923\" alt=\"ER3 PRO PWM - Dual-Band GEMINI and GEMINI-X Receiver\"\u003e\u003c\/p\u003e\n\u003cp\u003eWith 3 PWM outputs, serial protocol support, and dual independent voltage telemetry channels, the ER3 PRO integrates easily into a wide range of aircraft and vehicle platforms. Dedicated ADC channels independently monitor receiver supply voltage (V-PWM) (up to 12V) and EXT-V (up to 70V), providing accurate telemetry for each voltage source. Locking connectors on the UART and EXT-V telemetry ports help ensure secure, reliable connections in demanding operating environments.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_5_bfbd82a6-a07a-4cc8-9325-8709c592b858.jpg?v=1789020923\" alt=\"ER3 PRO 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_7fa0c837-8fd5-41f2-800e-dff7dcd1a4a2.jpg?v=1789020923\" alt=\"ER3 PRO 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_fb3444d8-81b1-4b4e-8c38-d52cb01efcbf.jpg?v=1789020923\" alt=\"ER3 PRO PWM - Dual-Band GEMINI and GEMINI-X Receiver\"\u003e\u003c\/p\u003e\n\u003cp\u003eServiceability is built in. Robust MMCX antenna connectors provide secure attachment and easy replacement, while the durable injection-molded housing delivers long-term protection in a compact form factor.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_8_99630dde-6c03-414a-bbdc-0bc15316addb.jpg?v=1789020923\" alt=\"ER3 PRO PWM - Dual-Band GEMINI and GEMINI-X Receiver\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0701\/8066\/7584\/files\/EN_PC_9_ba839db0-1735-4055-8b38-d179dfc1a11e.jpg?v=1789020923\" alt=\"ER3 PRO PWM - Dual-Band GEMINI and GEMINI-X Receiver\"\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan style=\"text-decoration: underline; color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e⚠️ Power Input \u0026amp; Voltage Notice\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eEXT-V Telemetry Input:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe maximum input voltage for the EXT-V external voltage telemetry reading is 70V. Do not exceed 70V, as this may damage the receiver.\u003cbr\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 ER3 PRO provides independent ADC channels for EXT-V and receiver supply voltage (V-PWM).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eServo Power:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEnsure the ESC’s BEC can provide sufficient current for the servos being used. For high-voltage, high-torque servos, a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2S 7.4V battery\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor a suitable high-current UBEC is recommended.\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;\"\u003eER3 PRO 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;\"\u003e3CH 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;\"\u003e13.5 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;\"\u003e49.2 × 26.8 × 13.0 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;\"\u003eER3Pro Dual Band True Diversity + 3×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":47873495367851,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"LBT","offer_id":47873495400619,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/9191\/0315\/files\/imgi_119_ER3Pro-1.jpg?v=1789635444","url":"https:\/\/begreatrchobbystore.com\/de\/products\/pre-order-er3-pro-pwm-dual-band-gemini-and-gemini-x-receiver","provider":"Begreat RC Hobby","version":"1.0","type":"link"}