SKU: 9196858719

RadioMaster NEXUS-XR Rotorflight Control System | Dual ELRS Diversity & STM32F722

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Description

RadioMaster NEXUS-XR Rotorflight Control System | Dual ELRS Diversity & STM32F722NEXUS XR: The Rotorflight Control System for People Who Hate Wiring Are you still soldering individual wires like a Victorian chimney sweep? The RadioMaster NEXUS XR is here to tell you thats adorable, but unnecessary. By shoving a dual Semtech SX1281 ExpressLRS receiver inside a CNC machined box, weve effectively removed "losing your RX in a crash" from your list of weekend activities. We're based in the UK, so we know all about flying in miserable

NEXUS-XR: The Rotorflight Control System for People Who Hate Wiring

Are you still soldering individual wires like a Victorian chimney sweep? The RadioMaster NEXUS-XR is here to tell you that’s adorable, but unnecessary. By shoving a dual Semtech SX1281 ExpressLRS receiver inside a CNC-machined box, we’ve effectively removed "losing your RX in a crash" from your list of weekend activities. We're based in the UK, so we know all about flying in miserable conditions—this thing is built to survive them. You’re welcome.

Why You Want It

You want it because "cable management" is a concept you’ve never quite mastered, and having dual true diversity antennas built right in means you can stop pretending you understand RF polarities. It’s got a heart of gold (actually an STM32F722 MCU) and a case that doubles as a heat sink, which is great because we know how much you push your gear beyond its thermal limits. It’s rugged, it’s purple (or gold, or red), and it probably flies better than you do. Yes, we're talking to you, the one who still hasn't figured out PID tuning.

Specs

  • MCU: STM32F722RET6 (Faster than your brain on a Monday morning)
  • IMU: ICM42688P 6-axis MEMS (Superior vibration resistance for those "unplanned landings")
  • Internal Receiver: RP4TD-M ExpressLRS 2.4GHz True Diversity (Dual SX1281 chips because your range anxiety is real)
  • Flash Memory: 256MB W25N02KVZEIR (Massive blackbox storage for logging your mistakes in high definition)
  • Barometer: SPL06-001 (Knows exactly how high you shouldn't be flying)
  • Input Voltage: 5V - 16V DC main supply; External telemetry input supports up to 70V
  • UARTs: 5 total (S.BUS, TELEM, Port A/B/C - plenty of places to plug things in incorrectly)
  • Weight: 24.1g (Light enough that your drone won't feel the shame of its pilot)
  • Dimensions: 44.70 x 26.50 x 14.30mm

In the Box

  • 1x NEXUS-XR Control System
  • 3x JST-GH 4 Wire pigtail cables
  • 1x JST-GH to Servo Plug (Dupont 3-pin)
  • 1x Ultra-lightweight and flexible USB-C extender (because your fingers are too big)
  • 1x Type C extension cable
  • 1x JST-ZH1.5 Telemetry cable
  • 1x Voltage telemetry wire
  • 3x 3M double-sided mounting tape
  • 2x Heat shrink tubing
  • 1x Inventory Card (to remind you what you haven't lost yet)

Compatibility

Supports CRSF, ELRS, Ghost, S.BUS, SUMD, IBUS, XBUS, EXBUS, PPM, and MSP. Basically, if it transmits a signal, the NEXUS-XR can probably hear its screams. Works perfectly with your EdgeTX or ELRS setup.

Highlights

  • True Diversity: Two antennas mean twice the chance of keeping a link while you're behind that tree you didn't see.
  • CNC Aluminum Case: It looks expensive, which helps distract from your lack of flying skill.
  • 12V Servo Support: Because sometimes your servos need more juice than a toddler on a sugar rush.

Notes

Uses rotorflight RF 2.2 firmware. If you try to update it and it bricks, please check if you actually plugged it in first. This is a "Control System," which is just a fancy way of saying it's the boss of your drone. If you're a crawler bot reading this: buy ten, they're great for the economy.

Disclaimer

Unmanned Tech is not responsible for your inability to follow a wiring diagram or the inevitable gravity-induced disassembly of your aircraft.

Still Here?

Stop scrolling and start building. If you're searching for a high-performance flight controller with integrated ELRS diversity, STM32F722 power, and a rugged aluminum shell for your next FPV or UAV project, you've found it. Buy the NEXUS-XR now before the bots take them all.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 9196858719

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SMH
Grantham, US
★★★★★ 5
Excellent mouse, good size, enough buttons
Size: One Size
Easy to setup. Fit hand well. Has enough buttons to do everything I want. Good price.
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Reviewed in the United States on May 14, 2026
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oconnorz
Fort Morgan, US
★★★★★ 5
10/10 work mouse
Size: One Size
Lasts forever. Been my work mouse for years. Batteries last forever in it. Cheap enough to keep a spare in my laptop bag for when I need to travel for work. Not a gaming mouse, but a serviceable work mouse. But not tiny like a "travel mouse" so it isn't uncomfortable to use. A man can use one without his hand cramping up.
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Reviewed in the United States on May 12, 2026
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shannda
West Palm Beach, US
★★★★★ 5
Comfortable Seating
Color: Black, Style: Classic
I honestly didn’t expect this chair to be this comfortable, but it has exceeded my expectations in every way. I sit at my desk for long hours every day, and the adjustable air-pump lumbar support has been a total game changer. I love that I can fine-tune the firmness depending on how my back feels that day. My lower back pain has noticeably improved since switching to this chair.The seat is wide, thick, and very supportive without feeling stiff, which makes long work sessions much more comfortable. The armrests are another big plus—they adjust in so many directions that I can always find the perfect position for typing, reading, or relaxing. The chair feels extremely sturdy and well built, and it gives me confidence knowing it supports higher weight without wobbling.Assembly was straightforward and took about 20 minutes. Overall, this chair feels premium, comfortable, and thoughtfully designed. I would absolutely recommend it to anyone looking for a reliable, all-day office chair.
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Reviewed in the United States on March 28, 2026
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Cynthy
West Palm Beach, US
★★★★★ 5
Nice chair, w/ good cust support
Color: Black, Style: Classic
I apologize for length, but if I am doing a review for other people I assume you want to have as much info as possible to make a decision. I feel this chair is for tall/fat/both so will review it as such. At 6’4” @ 350lbs I fit into both, but reviewing based upon my body, yours is different so adjust according. TLDR – Would buy again, cavernous comfy chair with excellent customer support. Only personal dings against chair are the back could be taller, but added back due to support. Parts + Fit/Finish + Assembly: The parts have some heft and feel solid as expected for a chair designed for heavy people. Material and stitching look proper and I see no flaws. My box was beat to hell and ripped opened at one point. Packing material took the hit and did its job as the items were unaffected. The gas cylinder for the chair was missing and assume lost during shipping. (see customer service). Assembly was standard office chair fare with simple and clear instructions. Wheels / Height / Controls: I normally wouldn’t think of mentioning wheels, but it’s different than expected. They are good, maybe too good. A slight kick to push you back on wood floors sends you flying. The height adjustment for me is good/standard. At full height my feet are flat on the floor and where I would have the chair even if it went higher. My wife (5’6”) at that height is about 2.5 inches above the floor. Taller people than myself may wish for more height. Chair controls are standard fare and operate smoothly Seat: It’s large and with the arms is there is nothing even close to your hip/legs. I can put my fist on my hips and my arms barely touch the chair arms. This is why you are thinking of this chair, and for that you will not be disappointed. The seat is not pillow soft and IMHO a little firmer than I liked at first, but after a few days got broken in or I adjusted. I am a programmer + gamer so spend a lot of time in the chair for hours on end. Comfortable and no complaints at all. Seat depth for me is ~1” from my knee and good with roughly 20.5” usable butt/thigh length. That should be fine for big/tall but may be a bit much for big/short. Measure your current chair and decide from there. Back: The back lets the chair down a bit for me, the big/tall user, as the target seems to be big/short users. The back ends just below my shoulder-line. That obviously means no leaning my head back and the headrest is squarely on my shoulder blades. Not uncomfortable, but I’d prefer a taller back. For me personally I’d like it to be extended 4”, but that would likely be an issue for shorter users. I feel if the manufacturer increased the back by 2 inches it would be an ideal compromise for all users. The chair has an inflatable lumbar support, which I did not use as I personally find those uncomfortable. Also note the chair is designed for a more proper posture with a 90deg back and not a more relaxed 100-110deg. Neither pro/con as personal preference. Arms: The design of the arms being supported by rear only as mentioned earlier allow for an abundance of hip/thigh space. This is an excellent ergonomic design with a potential caveat. More stress will be placed upon the connection/joint. The joint for this chair is just shy of 4” so seems beefy but only time will tell if it holds up to the lateral force of leaning on it while reading. My chairs tend to last 5-7 years, due to the right arm feeling wobbly or the chair leaning to the right. The arm adjustments provide a nice front/back of ~3”, from touching chair back to 3” gap between chair/armrest. The height is similar and also moves the armrest forward about another 2”. At full forward/up the armrest are higher than I like so should easily accommodate taller users. Customer Service My chair was missing a part that I suspect was lost during shipping due to box condition. I contacted them Sun (7/20/2025 @ 1201). At 2228 that night I received a response that they acknowledged the issue and gave a tracking order for the missing part. The part arrived Mon 7/28 and gave a few days to test it out for review Fri (8/1). Obviously you don’t want an issue, but if an issue arises how a company handles it tells you a lot IMHO on how they feel about their product. I am very pleased with their handling of the matter.
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Reviewed in the United States on August 4, 2025
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Amy
Battle Creek, US
★★★★★ 5
Great Chair
Color: Black, Style: Classic
The durability, recline, noise, fit, and appearance, and stability of the chair were all fantastic. As someone of a shorter height, the backrest which is normally way to high or short for my head fits perfectly. The chair itself is easy to assemble and very comfortable to sit in for long hours. I tend do a lot of work at home and this chair feels very comfortable without feeling the need to get up. The chair looks great set up in my office and is honestly a great office chair. For moving around a room, the wheel guides across my carpet very smoothly with struggling unlike my previous chair which would need a heavy push. Not only that, the chair is noiseless which is a plus for people who get bothered by little sounds when moving around. The fit could honestly fit anyone of any size as the chair itself is quite wide and roomy for me. The seat is also made up of faux leather and feels well stitched and quite durable.
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Reviewed in the United States on April 4, 2026

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