RadioMaster XR4 Gemini Xrossband 2.4GHz/Sub-G 900MHz Dual-Band ExpressLRS ELRS True Diversity Receiver for TX16S Boxer Pocket GX12 Radios Transmitter
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We will work hard to deliver items to you after receiving your orders and make sure they arrive safely. Delivery details will be provided in your confirmation email.In most cases, orders are processed within 2 days.Under special circumstances, it will be delayed as follows: When you place an order on Saturday, Sunday or public holidays, it will be delayed for 2 days..Normally, it needs 5-7 working days (Monday to Friday) without being affected by flight delay or other environmental factors..Because our shipping service is worldwide so the delivery times will depend on your location so it may need a few times and please wait patiently if you are in remote districts or countries.1. Return & Exchange Policy
We only accept items purchased from roymall.com. If you purchase from our local distributors or other retailers, you cannot return them on our side. Final sales items or free gifts are not acceptable for a return. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.After receiving return instructions from us, please package up your returned items and drop your package at the local post office or another courier.We will process your return or exchange item within 3-5 working days after we receive it. The refund will be processed and credited automatically to your original method of payment.No returns or exchanges can be accepted if the product was custom produced, including custom size, custom color, or custom printed.Need more help, please contact us. service@roymall.com or Whatsapp: +8619359849471
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You'll get a full refund or 100% store credit after we receive the returned package and check it. The refund will be processed and credited automatically to your original method of payment. Please note that shipping costs and any duties or fees are not refundable. The extra shipping costs are non-refundable once the package has been shipped. You are responsible for paying these fees and we’re unable to waive or refund them, even if the order is returned back to us.Once we received and confirmed your returned item, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you have any problems regarding the refund process, please contact us. service@roymall.com or Whatsapp: +8619359849471RadioMaster XR4 Gemini Xrossband 2.4GHz/Sub-G 900MHz Dual-Band ExpressLRS ELRS True Diversity Receiver for TX16S Boxer Pocket GX12 Radios Transmitter
The XR4 Receiver is a cutting-edge true diversity dual-band receiver featuring dual LR1121 RF transceivers, designed to leverage the advanced ExpressLRS Gemini Xrossband protocol (Gem-X). It seamlessly supports both the 2.4GHz and Sub-G 900MHz bands, and its dual T-type antennas provide superior reception sensitivity and connection stability for optimal performance.nnBuilt with two independent RF circuits, the XR4 offers versatile operation modes, allowing you to switch between Gemini single-frequency or Xrossband dual-band modes, and can be tailored to your specific needs. The integrated Wi-Fi module simplifies firmware updates and configuration via a user-friendly WebUI on your PC or mobile device.nnWith ultra-low latency and a high refresh rate, the XR4 excels in delivering a stable, rock-solid RF link, even in demanding long-range or challenging environments. Its compact, lightweight design is perfect for drones, and fixed-wing models, offering reliable connectivity in critical situations where every signal matters. The XR4 ensures you maintain the most secure and robust RF link available, providing unbeatable reliability in the most demanding conditions.n
Brand: RadioMaster
Item: XR4 Gemini Xrossband Receiver
MCU: ESP32D4
RF Chip: Semtech LR1121
RF connector: IPEX-1 X 2
Antenna: Dual-Band T Antenna u00d7 2 (Included)
Frequency Range: 2.4GHz / Sub-G 900MHz
Telemetry Power: 100mW
Maximum Receive Refresh Rate: DK500Hz / K1000Hz
Minimum receiver refresh rate: 50Hz
Working voltage: DC 5.0 - 12.6V
Weight: 1.7g (without antenna)
Dimension: 22mm*18mm*4mm
Firmware Version: ExpressLRS v3.5.1 pre-installed
FW Target: RadioMaster XR4 2.4/900 Gemini RX
Bus interface 1: CRSF
Bus interface 2: UART
Feature:
* True Diversity & Dual-Band
* Unmatched reliability with ExpressLRS Gemini Xrossband
* Compatible with ExpressLRS 2.4GHz, Sub-G 900MHz, Gemini & Gemini Xrossband (Gem-X)
* ESP32D4 high-performance MCU
* Twin Semtech LR1121 Transceiver
* Secondary UART port for advanced functionality
* Castled pads for easy solderingn
Package included:
1 * XR4 Gemini Xrossband Dual-Band Receivern2 * Dual-Band T-Antennan1 * CRSF Wiren3 * Heat-Shrinkable Tuben1 * Manual Card
