{"product_id":"radiomaster-dbr4-2-4ghz-dual-band-gemini-xrossband-expresslrs-receiver","title":"500pcs Original Radiomaster DBR4 2.4GHz Dual Band Gemini Xrossband ExpressLRS Receiver","description":"\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003eIntroducing the DBR4 Receiver: the perfect companion to the RadioMaster Nomad. The DBR4 is a cutting-edge dual-band, dual-channel Gemini receiver that ensures seamless compatibility with the Nomad module. Engineered for superior performance, the DBR4 boasts two dual-band sections, each capable of simultaneously receiving 2.4GHz and 900MHz signals. This innovative design allows for the reception of two data streams simultaneously, providing exceptional interference rejection and eliminating the risk of lost packets. With the DBR4, you can trust that your signal remains robust and reliable, giving you the confidence to push your limits and explore new horizons. Elevate your RC experience with the unparalleled connectivity and performance of the DBR4 Receiver.\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eTelemetry RF power: Max 2x 100mw\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eExperience unmatched reliability with dual-band ELRS Gemini Xrossband\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eELRS Gemini 2.4GHz\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eELRS Gemini 868\/900MHz\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003e4 Descrete antennas for optimal antenna arrangement\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003e20 X 20mm mounting holes\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eXrossband GemX support\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eNew Packet rates:\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eSub-GHz 250Hz (-111dBm)\u003cbr\u003e\n● Speed Boost: Achieve faster packet rates with enhanced sub-GHz performance.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eSub-GHz 200Hz Full (-111dBm)\u003cbr\u003e\n● Optimized for Mavlink: Double the \u003cspan style=\"color:rgb(254, 3, 0)\"\u003edata\u003c\/span\u003e rate of current 900 SX1276 hardware, catering specifically to Mavlink users for more efficient data transmission.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eDual Band X150Hz (-112dBm)\u003cbr\u003e\n● Gemini Mode: Experience simultaneous sub-GHz and 2.4GHz transmissions, providing robust performance and reduced interference with a packet rate of 150Hz.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eDual Band X100Hz Full (-112dBm)\u003cbr\u003e\n● Enhanced Gemini Mode: Achieve the same dual-frequency transmission benefits at a 100Hz packet rate with full 16 channel resolution, ensuring strong and stable connectivity even in challenging environments.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eIntroduction of K modes\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eDK500 (Coming in ExpressLRS \u003cspan style=\"color:rgb(254, 3, 0)\"\u003eV3.5\u003c\/span\u003e)\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003e●  Design specifically from the ground up for lovers of speed and RC reliability.  K modes are next generation FSK modulation with built in packet repair (Forward Error Correction).  Just like FLRC D500, DK500 sends repeat packets to reduce packet loss in challenging race event environments. Coupled with a Gemini enabled Tx and Rx, nothing comes close to RC reliability.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eK1000 Full SubGHs (Coming in ExpressLRS \u003cspan style=\"color:rgb(254, 3, 0)\"\u003eV3.5\u003c\/span\u003e)\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003e●  Yes you read that right, 1000Hz in the 868\/900MHz Domain! While this mode has been designed for maximum data throughput when used with MAVLink, don't be fooled by the 1000Hz, during development it was tested it at long range.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eSpecification\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eItem: DBR4 Gemini Xrossband ExpressLRS Receiver\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eType: \u003cspan style=\"color:rgb(254, 3, 0)\"\u003eISM_2.4, FCC_915\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eMCU: ESP32\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eRF chip: Semtech LR1121 x 2\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eTelemetry RF power: Max 100mW\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eAntenna: 2 x 2.4GHz wires \u0026amp; 2 x 900MHz wires\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eFrequency Range: 2.404 - 2.479 GHz \/ 903.5 - 926.9 MHz\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eMaximum receive refresh rate: 500Hz (1000Hz coming soon in ExpressLRS V3.4)\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eMinimum receiver refresh rate: 50Hz\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eWorking voltage: DC 4.5 - 8.4V\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eWeight: Without antennas 2.70g \/ With antennas 5.30g\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eDimension: 27.20 *27.20mm\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003eBus interface: CRSF\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cdiv\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003ePackage Includes\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003e1 * DBR4 Gemini Xrossband ExpressLRS Receiver\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003e2 * 2.4 GHz wire antennas\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003e2 * 900 MHz wire antennas\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003e1 * CRSF wire\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003e4 * 4mm Red vibration dampeners\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan style=\"font-size:16px;\"\u003e4 * 3mm Black vibration dampeners\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;\"\u003e1 * Manual card\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style=\"text-align:left;margin-bottom:0px;margin-top:0px;margin-left:0px\"\u003e \u003c\/p\u003e\n\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0d4cf9c4056e4ffebc55f4f3412094a05.jpg?width=1024\u0026amp;height=575\u0026amp;hash=1599\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S972e877a23a04583b75a503c16a56a58J.jpg?width=1024\u0026amp;height=575\u0026amp;hash=1599\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" slate-data-type=\"image\" 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src=\"https:\/\/ae01.alicdn.com\/kf\/Sede3b34a1d9741e0bc2108e4879dc3f25.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0747f73d5e944cb19d1b116118c20512D.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sc446b4c6e9fe4ad7bc2da6d3e00d908cu.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n","brand":"SoloGood.RC","offers":[{"title":"FCC Version","offer_id":42313206824983,"sku":"4461-DBR4","price":16500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4128\/8215\/files\/S17d4cca2156f4b90b30d75550974937fF.webp?v=1746848543","url":"https:\/\/sologood.net\/de\/products\/radiomaster-dbr4-2-4ghz-dual-band-gemini-xrossband-expresslrs-receiver","provider":"SoloGood.RC","version":"1.0","type":"link"}