{"product_id":"radiomaster-xr4-gemini-xrossband-elrs-2-4ghz-900mhz-dual-band-diversity-receiver","title":"RadioMaster XR4 Gemini Xrossband ELRS 2.4GHz\/900MHz Dual-Band Diversity Receiver","description":"\u003cstyle\u003e#html-body [data-pb-style=BYTM4JP],#html-body [data-pb-style=M0LBUNF],#html-body [data-pb-style=UTGLYME]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}#html-body [data-pb-style=OCELCD5]{border-style:none}#html-body [data-pb-style=C2N8FM0],#html-body [data-pb-style=CEDTP7C]{max-width:100%;height:auto}#html-body [data-pb-style=WFBU9JT],#html-body [data-pb-style=XI3A2OC]{justify-content:flex-start;display:flex;flex-direction:column;background-position:left top;background-size:cover;background-repeat:no-repeat;background-attachment:scroll}@media only screen and (max-width: 768px) { #html-body [data-pb-style=OCELCD5]{border-style:none} }\u003c\/style\u003e\u003cdiv data-content-type=\"row\" data-appearance=\"contained\" data-element=\"main\"\u003e\u003cdiv data-enable-parallax=\"0\" data-parallax-speed=\"0.5\" data-background-images=\"{}\" data-background-type=\"image\" data-video-loop=\"true\" data-video-play-only-visible=\"true\" data-video-lazy-load=\"true\" data-video-fallback-src=\"\" data-element=\"inner\" data-pb-style=\"BYTM4JP\"\u003e\u003cdiv data-content-type=\"text\" data-appearance=\"default\" data-element=\"main\"\u003e\u003cp\u003eThe \u003cstrong\u003eXR4 Receiver\u003c\/strong\u003e is a dual-band solution with dual LR1121 RF transceivers, supporting the advanced ExpressLRS Gemini Xrossband protocol (Gem-X). It operates on 2.4GHz and Sub-G 900MHz with dual T-type antennas for superior reception and stability. With two RF circuits, it supports Gemini single-frequency and Xrossband dual-band modes. A built-in Wi-Fi module allows easy firmware updates and configuration via WebUI. Compact, lightweight, and designed for ultra-low latency, the XR4 ensures a stable RF link, making it perfect for drones and fixed-wing models in demanding environments.\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv data-content-type=\"row\" data-appearance=\"contained\" data-element=\"main\"\u003e\u003cdiv data-enable-parallax=\"0\" data-parallax-speed=\"0.5\" data-background-images=\"{}\" data-background-type=\"image\" data-video-loop=\"true\" data-video-play-only-visible=\"true\" data-video-lazy-load=\"true\" data-video-fallback-src=\"\" data-element=\"inner\" data-pb-style=\"M0LBUNF\"\u003e\n\u003ch2 data-content-type=\"heading\" data-appearance=\"default\" data-element=\"main\"\u003eFeatures\u003c\/h2\u003e\n\u003cdiv data-content-type=\"text\" data-appearance=\"default\" data-element=\"main\"\u003e\u003cul\u003e\r\n\u003cli\u003eCompact and Lightweight\u003c\/li\u003e\r\n\u003cli\u003eVersatile Operation Modes\u003c\/li\u003e\r\n\u003cli\u003eIntegrated Wi-Fi Module\u003c\/li\u003e\r\n\u003cli\u003eDual T-Type Antennas\u003c\/li\u003e\r\n\u003cli\u003eTrue Diversity Design\u003c\/li\u003e\r\n\u003cli\u003eDual-Band Support\u003c\/li\u003e\r\n\u003cli\u003eAdvanced Protocol\u003c\/li\u003e\r\n\u003cli\u003eUltra-Low Latency\u003c\/li\u003e\r\n\u003cli\u003eHigh Refresh Rate\u003c\/li\u003e\r\n\u003cli\u003eReliable RF Link\u003c\/li\u003e\r\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv data-content-type=\"row\" data-appearance=\"contained\" data-element=\"main\"\u003e\u003cdiv data-enable-parallax=\"0\" data-parallax-speed=\"0.5\" data-background-images=\"{}\" data-background-type=\"image\" data-video-loop=\"true\" data-video-play-only-visible=\"true\" data-video-lazy-load=\"true\" data-video-fallback-src=\"\" data-element=\"inner\" data-pb-style=\"UTGLYME\"\u003e\u003cfigure data-content-type=\"image\" data-appearance=\"full-width\" data-element=\"main\" data-pb-style=\"OCELCD5\"\u003e\u003cimg class=\"pagebuilder-mobile-hidden\" src=\"{{media%20url=wysiwyg\/Radiomaster_XR4_Gemini_Xrossband_ELRS_2.4GHz900MHz_Dual-Band_Diversity_Receiver_Graphic_Info.webp%20alt=\" title=\"\" data-element=\"desktop_image\" data-pb-style=\"CEDTP7C\"\u003e\u003cimg class=\"pagebuilder-mobile-only\" src=\"{{media%20url=wysiwyg\/Radiomaster_XR4_Gemini_Xrossband_ELRS_2.4GHz900MHz_Dual-Band_Diversity_Receiver_Graphic_Info.webp%20alt=\" title=\"\" data-element=\"mobile_image\" data-pb-style=\"C2N8FM0\"\u003e\u003c\/figure\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv data-content-type=\"row\" data-appearance=\"contained\" data-element=\"main\"\u003e\u003cdiv data-enable-parallax=\"0\" data-parallax-speed=\"0.5\" data-background-images=\"{}\" data-background-type=\"image\" data-video-loop=\"true\" data-video-play-only-visible=\"true\" data-video-lazy-load=\"true\" data-video-fallback-src=\"\" data-element=\"inner\" data-pb-style=\"XI3A2OC\"\u003e\n\u003ch2 data-content-type=\"heading\" data-appearance=\"default\" data-element=\"main\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv data-content-type=\"text\" data-appearance=\"default\" data-element=\"main\"\u003e\u003cul\u003e\r\n\u003cli\u003eMaximum Receive Refresh Rate: DK500Hz \/ K1000Hz\u003c\/li\u003e\r\n\u003cli\u003eFirmware Version: ExpressLRS v3.5.1 pre-installed\u003c\/li\u003e\r\n\u003cli\u003eAntenna: Dual-Band T Antenna x 2 (Included)\u003c\/li\u003e\r\n\u003cli\u003eFrequency Range: 2.4GHz \/ Sub-G 900MHz\u003c\/li\u003e\r\n\u003cli\u003eItem: XR4 ExpressLRS Xrossband Receiver\u003c\/li\u003e\r\n\u003cli\u003eFirmware Target: XR4 2.4\/900 Gemini RX\u003c\/li\u003e\r\n\u003cli\u003eMinimum Receiver Refresh Rate: 50Hz\u003c\/li\u003e\r\n\u003cli\u003eDimensions: 22mm x 18mm x 4mm\u003c\/li\u003e\r\n\u003cli\u003eWorking Voltage: DC 5.0 - 12.6V\u003c\/li\u003e\r\n\u003cli\u003eWeight: 1.7g (without antenna)\u003c\/li\u003e\r\n\u003cli\u003eTelemetry Power: 100mW\u003c\/li\u003e\r\n\u003cli\u003eRF Chip: Semtech LR1121\u003c\/li\u003e\r\n\u003cli\u003eRF Connector: IPEX-1 x 2\u003c\/li\u003e\r\n\u003cli\u003eBus Interface 2: UART\u003c\/li\u003e\r\n\u003cli\u003eBus Interface 1: CRSF\u003c\/li\u003e\r\n\u003cli\u003eMCU: ESP32D4\u003c\/li\u003e\r\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv data-content-type=\"row\" data-appearance=\"contained\" data-element=\"main\"\u003e\u003cdiv data-enable-parallax=\"0\" data-parallax-speed=\"0.5\" data-background-images=\"{}\" data-background-type=\"image\" data-video-loop=\"true\" data-video-play-only-visible=\"true\" data-video-lazy-load=\"true\" data-video-fallback-src=\"\" data-element=\"inner\" data-pb-style=\"WFBU9JT\"\u003e\n\u003ch2 data-content-type=\"heading\" data-appearance=\"default\" data-element=\"main\"\u003eIncludes\u003c\/h2\u003e\n\u003cdiv data-content-type=\"text\" data-appearance=\"default\" data-element=\"main\"\u003e\u003cp\u003e1x RadioMaster XR4 Gemini Xrossband ELRS 2.4GHz\/900MHz Dual-Band Diversity Receiver\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e","brand":"RadioMaster","offers":[{"title":"Default Title","offer_id":46702238695654,"sku":"22852","price":45.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0698\/9525\/8342\/files\/radiomaster-xr4-gemini-xrossband-elrs-2.4ghz900mhz-dual-band-diversity-receiver-_image-1.jpg?v=1759318277","url":"https:\/\/shop.lumenier.com\/products\/radiomaster-xr4-gemini-xrossband-elrs-2-4ghz-900mhz-dual-band-diversity-receiver","provider":"Lumenier","version":"1.0","type":"link"}