{"product_id":"radiomaster-dbr4-xrossband-gemini-elrs-receiver","title":"Radiomaster DBR4 Xrossband Gemini ELRS Receiver","description":"\u003cp\u003e\n The RadioMaster DBR4 Xrossband Gemini Receiver is the perfect match for the RadioMaster Nomad, bringing seamless compatibility and unmatched connectivity. Designed for pilots who demand performance, the DBR4 is a dual-band, dual-channel receiver that handles 2.4GHz and 900MHz signals simultaneously. This means two data streams at once, offering exceptional interference rejection and a reliable connection that keeps you in control, even in challenging conditions.\n\u003c\/p\u003e\n\u003cp\u003e\n Built with two independent dual-band sections, the DBR4 doesn't just promise signal stability—it delivers. Whether you're pushing the limits of your RC aircraft or fine-tuning your latest FPV drone, this receiver ensures robust performance without the headache of lost packets.\n\u003c\/p\u003e\n\u003cblockquote\u003e\n \u003cp\u003e\n  \u003cstrong\u003e\n   Legal Notice:\n  \u003c\/strong\u003e\n  This receiver includes a 900MHz ELRS transmitter. Usage of the 900MHz frequency in the UK is currently illegal. Users must flash the firmware onto the 868MHz band to comply with regulations.\n \u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch3\u003e\n Key Features:\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Unmatched Dual-Band Technology:\n  \u003c\/strong\u003e\n  Experience dual-band ELRS Gemini Xrossband with simultaneous 2.4GHz and 900MHz reception.\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Powerful Telemetry:\n  \u003c\/strong\u003e\n  Maximum telemetry RF power of 2x 100mW ensures clear, reliable communication.\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Optimized Antenna Arrangement:\n  \u003c\/strong\u003e\n  Four discrete antennas provide superior signal strength and stability.\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Compact Design:\n  \u003c\/strong\u003e\n  20x20mm mounting holes make it easy to integrate into any setup.\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   GemX Xrossband Support:\n  \u003c\/strong\u003e\n  Enhanced compatibility and performance for complex builds.\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\n \u003cimg alt=\"\" class=\"alignnone size-full wp-image-700714\" height=\"575\" src=\"https:\/\/www.unmannedtechshop.co.uk\/wp-content\/uploads\/2024\/09\/Nomad-HP0157_04.webp\" width=\"1024\"\u003e\n \u003cimg alt=\"\" class=\"alignnone size-medium wp-image-700715\" height=\"575\" src=\"https:\/\/www.unmannedtechshop.co.uk\/wp-content\/uploads\/2024\/09\/Nomad-HP0157_05.webp\" width=\"1024\"\u003e\n \u003cimg alt=\"\" class=\"alignnone size-medium wp-image-700716\" height=\"406\" src=\"https:\/\/www.unmannedtechshop.co.uk\/wp-content\/uploads\/2024\/09\/DBR4_-pc_08_600x600.webp\" width=\"600\"\u003e\n\u003c\/p\u003e\n\u003ch3\u003e\n Specifications:\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Type:\n  \u003c\/strong\u003e\n  ISM_2.4, FCC_915\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   MCU:\n  \u003c\/strong\u003e\n  ESP32\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   RF Chip:\n  \u003c\/strong\u003e\n  Semtech LR1121 x 2\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Telemetry RF Power:\n  \u003c\/strong\u003e\n  Max 100mW\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Antenna Setup:\n  \u003c\/strong\u003e\n  2 x 2.4GHz wires, 2 x 900MHz wires\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Frequency Range:\n  \u003c\/strong\u003e\n  2.404 - 2.479 GHz \/ 903.5 - 926.9 MHz\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Receiver Refresh Rate:\n  \u003c\/strong\u003e\n  Max 500Hz, Min 50Hz\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Working Voltage:\n  \u003c\/strong\u003e\n  DC 4.5 - 8.4V\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Weight:\n  \u003c\/strong\u003e\n  2.70g (without antennas), 5.30g (with antennas)\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Dimensions:\n  \u003c\/strong\u003e\n  27.20 x 27.20mm\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Firmware Version:\n  \u003c\/strong\u003e\n  ExpressLRS v3.3.2 pre-installed\n \u003c\/li\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Bus Interface:\n  \u003c\/strong\u003e\n  CRSF\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n What's in the Box:\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  1x Radiomaster DBR4 Gemini Xrossband ELRS Receiver\n \u003c\/li\u003e\n \u003cli\u003e\n  Assorted Accessories (may vary based on supply)\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\n \u003cstrong\u003e\n  Disclaimer:\n \u003c\/strong\u003e\n Accessories included may vary depending on supply. Always verify contents before use.\n\u003c\/p\u003e\n","brand":"Unmanned Tech","offers":[{"title":"Default Title","offer_id":53459095814491,"sku":"RM-DBR4","price":41.93,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/3888\/1627\/files\/Radiomaster-DBR4-Xcross-2.webp?v=1782585854","url":"https:\/\/trandnova.com\/es\/products\/radiomaster-dbr4-xrossband-gemini-elrs-receiver","provider":"Trand Nova","version":"1.0","type":"link"}