{"product_id":"radiomaster-xr3-dual-band-diversity-receiver","title":"Radiomaster XR3 Nano Dual-Band Diversity ExpressLRS Receiver","description":"\u003cp\u003eThe \u003cstrong\u003eRadioMaster XR3\u003c\/strong\u003e is a compact dual-band ExpressLRS receiver featuring antenna diversity technology and support for both 2.4GHz and Sub-GHz 900MHz frequencies in a single 22×15mm package. Powered by the ESP32C3 MCU and Semtech LR1121 transceiver — the same RF chip used in premium long-range modules — the XR3 delivers exceptional signal stability, outstanding range, and ultra-low latency with up to 100mW telemetry output power.\u003c\/p\u003e\n\n\u003cp\u003eAntenna diversity between dual IPEX-1 T-type antennas ensures the strongest available signal path is always selected, reducing dropouts during aggressive FPV maneuvers or when flying around signal-blocking obstacles. Compatible with the full ELRS packet rate range from 25Hz (maximum range) to DK500Hz\/K1000Hz (maximum responsiveness), the XR3 adapts to any flying style. ExpressLRS v3.5.1 firmware is pre-installed, and built-in WiFi enables WebUI firmware updates without removing the receiver from the aircraft. Secondary UART port and CRSF bus interface ensure compatibility with all major flight controllers.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDual-band support: 2.4GHz and Sub-GHz 900MHz in a single receiver\u003c\/li\u003e\n\u003cli\u003eAntenna diversity with dual IPEX-1 connectors for maximum signal stability\u003c\/li\u003e\n\u003cli\u003eSemtech LR1121 RF chip — same transceiver used in premium long-range modules\u003c\/li\u003e\n\u003cli\u003eESP32C3 MCU with built-in WiFi for OTA firmware updates and WebUI\u003c\/li\u003e\n\u003cli\u003e100mW telemetry output power for extended two-way communication\u003c\/li\u003e\n\u003cli\u003eMax packet rate: DK500Hz \/ K1000Hz for ultra-responsive control\u003c\/li\u003e\n\u003cli\u003eExpressLRS v3.5.1 pre-installed for immediate compatibility\u003c\/li\u003e\n\u003cli\u003eSecondary UART port for advanced connectivity\u003c\/li\u003e\n\u003cli\u003eCRSF and UART dual bus interfaces\u003c\/li\u003e\n\u003cli\u003eCastled pads for convenient and secure soldering\u003c\/li\u003e\n\u003cli\u003eLightweight at 1.3g (without antenna)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMCU\u003c\/td\u003e\n\u003ctd\u003eESP32C3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRF Chip\u003c\/td\u003e\n\u003ctd\u003eSemtech LR1121\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRF Connector\u003c\/td\u003e\n\u003ctd\u003eIPEX-1 × 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e2.4GHz \/ Sub-G 900MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelemetry Power\u003c\/td\u003e\n\u003ctd\u003e100 mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Packet Rate\u003c\/td\u003e\n\u003ctd\u003eDK500Hz \/ K1000Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMin Packet Rate\u003c\/td\u003e\n\u003ctd\u003e25Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Voltage\u003c\/td\u003e\n\u003ctd\u003eDC 4.5–8.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.3 g (without antenna)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e22 × 15 × 4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware\u003c\/td\u003e\n\u003ctd\u003eExpressLRS v3.5.1 (pre-installed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Interface\u003c\/td\u003e\n\u003ctd\u003eCRSF \/ UART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eRX-RM-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × XR3 Dual-Band Diversity Receiver\u003c\/li\u003e\n\u003cli\u003e2 × T-Antenna (frequency-dependent)\u003c\/li\u003e\n\u003cli\u003e1 × CRSF wire\u003c\/li\u003e\n\u003cli\u003e3 × Heat-shrinkable tubes\u003c\/li\u003e\n\u003cli\u003e1 × Instruction card\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RadioMaster","offers":[{"title":"Default Title","offer_id":46361706266821,"sku":"ASD-RX-RM-3","price":3099.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/5528\/2629\/files\/2_1800x1800_efc7da79-b7a8-4fde-b041-2ffe0d776dfb.webp?v=1784736426","url":"https:\/\/asddrones.in\/products\/radiomaster-xr3-dual-band-diversity-receiver","provider":"ASD DRONES","version":"1.0","type":"link"}