SKU: 94527420586

H-RTK UM Helical [SL1]

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Description

H-RTK UM Helical [SL1]Take your UAV project to the next level with the Holybro UM982 Dual Antenna RTK GPS! This powerhouse is not your everyday GPS module; it's an advanced piece of tech wizardry that marries high precision positioning with a delightfully nifty feature: the capability to generate non magnetometer moving baseline yaw determinations. Confused? That's okay let's break this down into simple, bite sized chunks. You're an aspiring UAV builder, creating a

Take your UAV project to the next level with the Holybro UM982 Dual Antenna RTK GPS! This powerhouse is not your everyday GPS module; it's an advanced piece of tech wizardry that marries high-precision positioning with a delightfully nifty feature: the capability to generate non-magnetometer moving baseline yaw determinations. Confused? That's okay - let's break this down into simple, bite-sized chunks.

You're an aspiring UAV builder, creating a masterpiece designed to fly in the most extreme environments, but you're met with a challenge: magnetic interference. Nothing ruins a good flight like erroneous yaw reports that could lead your UAV astray or, even worse, into a nose dive!

Traditional magnetometers can't cut it anymore. They're sensitive to interference from electrical systems and vehicle motors, not to mention environmental sources like pesky metal structures. Before you know it, your UAV is behaving like a drunken mosquito, and that's not going to cut it, is it?

Enter the Holybro UM982 Dual Antenna RTK GPS. It doesn't merely offer you the GPS standard package of latitude, longitude, and altitude. No, this bad boy goes the extra mile with an ingenious application to provide compass-less YAW information to the autopilot (in layman's terms, a GPS Heading or Moving Baseline Yaw). This feature is your knight in shining armour against magnetic interference.

With the UM982 on board, your UAV will glide through the air with the grace of a ballet dancer, even without receiving RTCM data from a fixed RTK base station or NTRIP server. And let's not forget its killer RTK positioning adjustment for centimeter-level accuracy and support for multiple global positioning systems. It's like having a mini mission control in your UAV!

But wait, there's more! The UM982 also serves as a base station GPS for sending RTCM data and features a magnetometer, LED, and a safety switch button. It's a complete package wrapped in a compact and efficient design.

Product Highlights:

  1. Dual antennas enable Moving Baseline Yaw (GPS Heading) with just one module.
  2. A brilliant solution to replace the traditional compass/magnetometer.
  3. Specifically designed to tackle high magnetic interference .
  4. Delivers excellent RTK performance for centimeter-level accuracy.

Specifications

Product
UM982
Application
  • Rover
  • Moving Baseline Rover
  • Base Station (Recommend using H-RTK F9P-Base as base station)
Compass IST8310
GNSS
BDS B1I/B2I/B3I
GPS L1C/A/L2P (Y)/L2C/L5
GLONASS L1/L2
Galileo E1/E5a/E5b
QZSS L1/L2/L5
Antennas Peak Gain (MAX)
2dBi
LNA Gain
(typical)
33±2dB
Time-TO-First Fix
Cold start: ≤ 30s
Hot start: ≤ 5s
RTK-SurveyIn-Time
≤5 minute @2.0mCEP
Data and Update Rate
20 Hz Positioning & Heading
20 Hz Raw Data observation
Port
Port 1: GH1.25 10-pin
Port 2: USB Type-c Port 3: UART 2 (GH1.25 6pin)
Cable Length
GH 10P: 150mm
GH 10P: 400mm
GH 10P to 6P: 300mm
Antenna Connection Type
Board: SMA female
Antenna: SMA male
Baud rate: (Adjustable)
230400 5Hz default
Working voltage:
4.75V~5.25V
Current Consumption
~350mA
Dimensions
Board: 34.8*58.9*14.4mm
Antenna Diameter: 27.5mm
Antenna height: 59mm
Weight
37.9g (without antennas)

Included

  • 1x H-RTK UM982
  • 2x High Precision Helical Antennas
  • 2x Antenna Mounts
  • 2x SMA Cables
  • 2x 10pin - 10pin JST-GH Cables
  • 1x 10pin - 6pin JST-GH Cable
  • 1x 6pin - 6pin JST-GH Cable

What is RTK, and why is it beneficial?

it's a bit of both. RTK is a satellite navigation technique used to enhance the precision of position data derived from satellite-based positioning systems. So, what's the big deal? Here's why:

In the world of UAVs, every millimeter counts. Whether you're navigating through dense forests, mapping large agricultural fields, or hovering over bustling cityscapes, you need the accuracy of a sharpshooter. Here's where RTK GPS comes into play.

Standard GPS can tell you roughly where you are (within a few meters), but RTK GPS? It elevates the game to centimeter-level accuracy. That's right - centimeters! Now we're talking less about 'guesswork' and more about 'pinpoint precision'.

How does it do this? It's all down to RTK's clever use of corrections for atmospheric conditions and the timing errors of GPS signals, significantly improving the accuracy of your UAV's positioning. Imagine being able to thread a needle with your UAV's flight path. That's the power of RTK.

So, to all the UAV builders out there, if you're seeking precision in flight, smooth navigation, and peace of mind knowing your UAV is exactly where it should be, remember these three letters: RTK. It's not just a trendy tech term; it's the key to unlocking a new level of precision in your UAV adventures.

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: 94527420586

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4.5 ★★★★★
Based on 29 reviews
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Don L.
Bozeman, US
★★★★★ 5
Great Queen Size Air Mattress - NO Fuss
Style: 18", Color: Grey, Size: Queen
Great air mattress! Comfortable to sleep on. Powerful pump. Nice size. The bag to store it is very convenient and one of the easiest to put bed in once deflated. Reviews spot on with this product.
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Reviewed in the United States on June 5, 2026
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Verified Purchase
Rue Facile
Lexington, US
★★★★★ 5
Skeptical at first, but after first use (so far) it’s a solid product
Style: 22", Color: Grey, Size: Queen
I initially bought this to stay at my MIL’s senior community (to help her get settled), so I didn’t want to spend a lot of money on it and I planned to leave it for other relatives that might want to visit. I expected it to be cheap-ish quality and probably not last through my two week stay. First off, set up was a breeze. I laid it out and started inflation and it took about 4-5 minutes to fully inflate. The motor made noise, but it’s to be expected from something like this—I can say that it wasn’t as noisy as our Costco-bought mattress. Second, it’s big—but that’s not a bad thing as much as I thought anyway after I saw it fully inflated. Turns out, for me, it’s a good thing. Our Costco mattress sits low to the floor and as it deflates a bit during the night, it’s tough to get up. This one (the 22” model and the largest one at this writing) is wonderful as I can sit on the edge of it and stand up easily. Your experience may be different, but for older folks it makes it really easy to get out of bed in the morning. How does it sleep? Well, since I was visiting by myself and my significant other wasn’t with me, I can only speak for a single sleeper. It was really comfortable! It did take a bit of tweaking though as I thought I would like it more firm as I like to side sleep. The first couple of nights were a bit rough as I tossed and turned a bit in my sleep—I found that I couldn’t get comfortable on my side. For the reviews that say that it deflates after sleeping on it, I can say that it did seem to lose some air after the first two nights. The manufacturer does state that it does “stretch” and not deflate. As I wanted to test that statement, I didn’t change the firmness of it by re-inflating it to where I had it. The third and fourth nights were better sleep and I didn’t feel like the mattress deflated at all, so I found the stretch statement to be valid—it wasn’t losing air. After that night, I re-inflated it to where I thought I’d like it. The next night was the same tossing and turning that I had those first two nights, so I concluded that I needed to make it less firm and I actually DEflated it a bit and for the rest of the stay it was perfect! I didn’t have to touch it and I even unplugged it. When I was getting ready to leave, I started the deflation process by turning the dial in the opposite direction. It took longer to deflate, so I walked away for a bit—I’d guess about 7-8 minutes. When I came back the mattress was flat as a pancake and ready to fold. This is the only hassle of the process as folding it to get it into the storage bag and back into the box (for storage). I do like the tote that they provide as the handles make it easy to lug about. So, the first use was a success. If repeated uses reveal issues, I’ll report back. I will say that I plan to buy another one to replace our beloved Costco air mattress—she’s showing her age and the height of this one as well as the cost make it a no-brainer to get it as a second. We’ll use this one until it dies (if it even does) and then fall back on our old one if needed. I gave an overall 5 stars for the product with 4 stars for sleep quality and comfort only because your idea of these two might be a bit of a learning experience until you find your inflation sweet spot—so it’s not just an “inflate fully and use” type of scenario.
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Reviewed in the United States on May 2, 2024
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Verified Purchase
andrew
Houston, US
★★★★★ 4
Comfortable, high-rise air mattress with built-in pump
Style: 22", Color: Grey, Size: Queen
The Intex Dura-Beam 22-inch Queen air mattress is one of the better inflatable beds I've used. The built-in pump is very convenient — no need for an external pump or battery-powered inflator. It inflates to full firmness in a few minutes and deflates just as quickly. The 22-inch height makes it easy to get in and out of, similar to a regular bed height. The plush comfort top adds a softer surface feel. The 600 lb weight capacity is reassuring for heavier users or couples. I've had guests sleep on this for multiple nights and they reported sleeping well. It held air overnight without significant deflation. My only note is to store it carefully to avoid punctures from sharp objects. Overall a great value for guests or camping.
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Reviewed in the United States on April 15, 2026
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Verified Purchase
Adimil Barrio Martinez
Alexandria, US
★★★★★ 5
Very good
Style: 18", Color: Grey, Size: Queen
I recently purchased this inflatable mattress from Amazon, and I’m honestly very impressed with the quality and comfort. It inflated quickly and was very easy to set up. The material feels durable and strong, and the mattress stayed fully inflated throughout the entire night without losing a
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Reviewed in the United States on May 19, 2026
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Verified Purchase
Monica Grant
Dallas, US
★★★★★ 5
This is a very good air mattress
Style: 13”, Color: Grey, Size: Twin
I love this mattress so much I work overnights and I needed something to sleep on so I bought this mattress and it was the best mattress ever it’s so comfortable I purchased it Dec 24th2025 and it’s now starting to deflate I can’t find any holes in it but I still use it. I’m not gonna get rid of it because I can still sleep on it I just need to inflate it two times throughout the night it doesn’t bother me because it’s so comfortable. I’m not gonna lie I did purchase another one. But I’m 125 lb but the grands can sleep on it when they stay over so I will be keeping it. This is a really good air mattress well worth your money.
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Reviewed in the United States on April 25, 2026

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