Radiomaster XR4 Gemini Xrossband Dual-Band ExpressLRS Receiver
AU$54.95
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.
Sold out
Description
Radiomaster XR4 Gemini Xrossband Dual-Band ExpressLRS Receiver
Introducing the XR4 XrossBand Receiver – The Pinnacle of compact Dual-Band Performance
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.
Built 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.
With 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.
Features
- 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 soldering
Specification
- Item: XR4 Gemini Xrossband Dual-Band Receiver
- MCU: ESP32D4
- RF Chip: LR1121 x 2
- RF connector: IPEX-1 X 2
- Antenna: Dual-Band T Antenna x 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
Includes
- 1x XR4 Gemini Xrossband Dual-Band Receiver
- 2x Dual-Band T-Antenna
- 1x CRSF Wire
- 3x Heat-Shrinkable Tube
- 1x Manual Card
Additional information
| Brands |
|---|
Price Match Request
If you find an Australian FPV store with a lower advertised price of the same “in-stock” item, let us know so we can match (or otherwise BEAT!) their price. This excludes any non-official, non-Australian stockist (such as overseas eBay sellers, Banggood, AliExpress).
"*" indicates required fields
Related products
-
iFlight ExpressLRS 100mW Dualband Diversity RX with 70mm Antennas
AU$55.75In stock
-
Radiomaster IPEX1 2.4GHz / Sub-G 900MHz Dual-Band T Antenna
AU$11.95In stock
-
Maple Wireless 5.8G Strigiformes Antenna 11dB RHCP SMA Kit 14cm (2 Antennas)
AU$57.15In stock
-
iFlight ExpressLRS 500mW Dualband RX with 160mm Antennas
AU$48.48ONLY 1 LEFT
Why Us
MantisFPV is the best place to buy the Radiomaster XR4 Gemini Xrossband Dual-Band ExpressLRS Receiver online.
Our stock levels
Are 99.8% accurate. What you see online regarding stock, is WHAT WE HAVE in hand, ready to be dispatched/shipped. Really.
We do try to stock everything, but that is simply a tall order. If you need something that we don’t have, let us know here.
Pricing
We try to price competitively and fairly. MantisFPV is all about having the right FPV parts in stock, when you need it.
Are we the cheapest? We try. If we are not, fill in the “Price Match Request” form on this page.
Same day shipping
Orders received before 12pm noon (AEST) on weekdays are processed and shipped that very day.
Local Pickup
Are you nearby Parramatta? Simply opt for local pickup when you place your online order. Sometimes, you just need something… RIGHT NOW. In any case, please wait for our email to let you know your order is ready for pickup.
Australian owned and operated
Made with ❤️ in Parramatta, Sydney. We are indeed a local Aussie small business. We are GST registered, so we pay our fair share of GST collected from our sales. Help support your local Aussie FPV store, forget those overseas stores like Banggood or AliExpress. Heck, who can really tolerate deliveries that takes 3 months anyway?!
Shocker!… we have running costs
Maintaining, stocking, shipping and importing FPV parts costs money and carries inherent risks. We try our very best to be competitive in pricing but we also need to pay wages, rent, taxes and pay for the bad stuff, like dead stock, shrinkages, fraud and importing challenges. However, we forget all this when we are able to help cure treat your FPV addiction 🙂
Loyalty Program
Get rewarded for simply purchasing from us. There are other ways you can earn even more points! Check out our loyalty program to learn more.
Reviews