GPS has turn into a useful part for FPV drones on account of vital developments in options like Rescue Mode in Betaflight and Return to Residence in iNav. As we speak, I’ll be testing among the hottest GPS modules from Flywoo, HGRLC, Beitian, GEPRC, and FlyfishRC, evaluating their efficiency, and providing my suggestions.
Why You Want GPS on Your FPV Drone
The most recent Betaflight has revolutionized the GPS Rescue Mode, making it way more dependable and user-friendly. This development makes incorporating a GPS module into all of your quad builds virtually a no brainer. Nevertheless, the problem lies to find a dependable GPS module that balances value, dimension, and weight with out compromising accuracy.
Take a look at this put up to be taught extra about Rescue Mode in Betaflight: https://oscarliang.com/setup-gps-rescue-mode-betaflight/
On this roundup, we’ll discover numerous choices to seek out the most affordable, smallest, and best-performing GPS modules accessible.
GPS Spherical-up
Listed here are the GPS modules I’ve examined. You’ll find these GPS items by means of the affiliate hyperlinks supplied beneath.
HGLRC M100 Mini
The HGLRC M100 Mini GPS module stands out on account of its affordability, tiny kind issue and light-weight design, even smaller and lighter than the BN180.
Regardless of its low value, small 15x15mm dimension and a pair of.8g weight, it makes use of the superior UBlox M10 chip, supporting GPS, GLONASS, Galileo, and BDS satellite tv for pc indicators for world performance.
Outperforming the BN220 proper out of the field, the HGLRC M100 Mini requires no configuration tinkering. Priced comparably to the BN220, this spectacular GPS module has been my go-to alternative for five″ freestyle quad finances builds.
You’ll find the M100 Mini right here:
HGLRC M100-5883
The M100 Mini’s greater brother provides superior efficiency and features a compass.
Get it right here:
HGLRC M80
This GPS makes use of the older M8 chip and, sadly, the unit I acquired was defective, subsequently I used to be unable to check it. Anyway it’s greater and heavier than another M10 GPS, and it provides no actual value benefit, so I don’t see why you’d need to get this over the M10 counterparts.
HGLRC M80 Professional
An improve from the M80, the HGLRC M80 Professional makes use of the M8 chip. Whereas it doesn’t carry out in addition to the M10 counterparts, it’s barely cheaper and features a compass, making it appropriate for finances builds.
Get it right here:
FlyfishRC M10 Mini
One of many smallest M10 GPS modules in the marketplace, made by FlyfishRC.
Get it from AliExpress: https://s.click on.aliexpress.com/e/_DkCU7qr
Flywoo GOKU GM10 Nano V3
Though the Anonymous GPS is technically the smallest I’ve ever examined, its efficiency is unreliable and takes a very long time to get a GPS lock. The GOKU Nano V3 from Flywoo, nonetheless, is a tiny GPS module with spectacular efficiency, outperforming the BN220 even with optimized U-Middle settings. With an identical value and a considerably smaller and lighter design, the Flywoo GOKU Nano V3 is implausible for micro builds.
I’ve flown this module on the Flywoo CineRace20 and persistently rise up to 26 satellites, which is exceptional for its dimension. Make sure you’re utilizing Betaflight model 4.3 or newer to assist the tenth era Ublox GPS chip.
You’ll find the GOKU Nano GPS right here:
In addition they supply a model with compass, which considerably improves it’s versatility.
Flywoo GOKU GM10 Professional V3
The GOKU GM10 Nano’s greater brother provides extra dependable efficiency and features a compass, perfect for iNav builds.
Get the Flywoo GOKU GM10 Professional V3 from
Beitian BN-220
As extra GPS modules with the superior M10 chip emerge, it’s changing into tougher to advocate the older BN220. Don’t get me mistaken – the BN220 has been round for years, and it’s a dependable, time-tested GPS that performs effectively for Betaflight, particularly while you optimize its settings through U-Middle: https://oscarliang.com/gps-settings-u-center/
Should you already personal a BN220, it should proceed to serve you effectively. Nevertheless, for those who’re contemplating buying a brand new GPS module, I extremely advocate choosing the newer M10-based GPS choices. They have a tendency to carry out noticeably higher at an identical value.
Purchase the Beitian BN220 right here:
Beitian BN-180
The BN180 was a superb possibility, however I don’t advocate it anymore as there are a lot of cheaper, higher, and even smaller choices accessible. The BN180 takes for much longer to get a GPS lock in comparison with M10 GPS modules and doesn’t see as many satellites.
GEPRC M1025Q
In case you are on the lookout for a dependable GPS to your bigger fashions, the GEPRC M1025Q is a critical contender. It is likely to be large, but it surely gives glorious efficiency, making it price it. It additionally comes with a compass, excellent for iNav builds. If dimension and weight aren’t an issue, get it.
You’ll find the GEP M1025Q from these sellers:
VK GPS – The $4 GPS Module
Whereas shopping AliExpress, I stumbled upon the VK2828U7G5LF GPS module, priced at a mere $4 – presumably the most affordable GPS accessible for FPV drones! Naturally, I needed to give it a attempt. Regardless of my low expectations, this finances GPS truly works!
By default, the GPS comes with a 1Hz refresh price and a 9600 baud price. I adjusted these settings in U-Middle to 5Hz and 57600Hz for higher efficiency. Sadly, I couldn’t modify some other settings on this GPS module. It’s also possible to configure it utilizing U-Middle by following my tutorial: https://oscarliang.com/gps-settings-u-center/
It obtained a 3D repair inside 2 minutes subsequent to my room window, not dangerous in any respect for $4, however I couldn’t get greater than 8 satellites after ready for five minutes. For an inexpensive construct, this GPS module is price contemplating. Nevertheless, I wouldn’t advocate counting on it to your extra worthwhile fashions.
Be sure you get the identical one as pictured on this evaluate. You’ll find this $4 GPS right here:
FlyFishRC M8QMC
Though FlyFishRC claims it’s a UBLOX10 GPS, it performs extra like an M8 GPS in my expertise. This GPS comes with an onboard compass (QMC5883L Magnetometer chip) for individuals who want extra correct course efficiency.
It’s comparable in dimension to the BN180, making it very compact. Nevertheless, it’s fairly a bit thicker and heavier, weighing 9.4g and measuring 20x20x11mm.
Buy the FlyFishRC M8QMC right here:
Beitian BH-182
The most recent GPS launched by Beitian in 2024, it has an identical kind issue and weight to the BN180. Nevertheless, I couldn’t get it to work in Betaflight 4.5 after making an attempt for hours. It seems to have the “B101” chip in accordance with its datasheet, not the standard M sequence chip. That may very well be why it’s not at the moment supported. Subsequently, I don’t advocate it for now.
You’ll find this GPS at:
Beitian BH-222Q
The most recent GPS launched by Beitian in 2024, it has an identical kind issue and weight to the BN220, with an built-in compass. Nevertheless, I couldn’t get it to work with Betaflight after making an attempt for hours. It seems to make use of the “B101” chip in accordance with its datasheet, not the M sequence chipo. Perhaps that’s why it’s not at the moment supported. Subsequently, I don’t advocate it for now.
You’ll find this GPS from Banggood: https://oscarliang.com/product-dv9i
Beitian BH-252Q
Newest GPS launched by Beitian in 2024, it’s the larger brother of the BH222Q, with compass built-in. Nevertheless I couldn’t get it to work with Betaflight after making an attempt for hours. It seems to be utilizing the “B101” chip in accordance with its datasheet, and never the widespread M sequence chip, maybe that’s why it’s not at the moment supported. Subsequently I don’t advocate it for now.
You’ll find this GPS from Banggood: https://oscarliang.com/product-5d6i
Efficiency Testing
Right here’s a abstract of the efficiency outcomes, exhibiting the time taken to lock onto 8 satellites (advisable by Betaflight for a dependable Rescue mode) from a cold and warm begin, and the utmost variety of satellites acquired after being powered for five minutes.
Definitions:
- Chilly Begin: GPS hasn’t been powered on for at the least 12 hours.
- Sizzling Begin: GPS hasn’t been powered on for lower than an hour.
Testing Situations: These GPS had been examined on an overcast day in a suburban space, you possibly can anticipate higher efficiency in setting with much less interference and on a sunny day with out clouds.
| GPS Module | Chilly Begin | Sizzling Begin | 5 Minutes (no. of sats) |
| BN180 | 4:10 | 1:27 | 9 |
| BN220 | 3:15 | 1:55 | 11 |
| FlyfishRC M10 Mini | 1:14 | 1:02 | 15 |
| FlyfishRC M8QMC | 2:02 | 1:35 | 11 |
| Flywoo GM10 Nano V3 | 1:21 | 0:42 | 12 |
| Flywoo GM10 Professional V3 | 0:56 | 0:36 | 14 |
| GEPRC M1025Q | 0:32 | 0:31 | 16 |
| HGLRC M100 Mini | 1:40 | 1:14 | 12 |
| HGLRC M100 5883 | 0:46 | 0:40 | 16 |
| HGLRC M80 Professional | 2:19 | 1:55 | 10 |
| VK GPS | 4:04 | 2:17 | 8 |
Suggestions
For Pure Efficiency
No matter dimension, the GEPRC M1025Q, HGLRC M100 5883 and Flywoo GM10 Professional V3 are all my prime decisions relating to efficiency. All have an onboard compass, making them very versatile.
GEPRC M1025Q
HGLRC M100 5883
GOKU GM10 Professional V3
For Compactness and Micro Quads
Contemplate the Flywoo GM10 Nano V3 or Flyfish M10 Mini. These are excellent for light-weight and small drones.
GOKU Nano V3:
FlyFishRC M10 Mini:
For Price range GPS
Each the Flyfish M10 Mini and HGLRC M100 Mini are glorious finances choices, priced at solely $13 every. The VK GPS is likely to be the most affordable at solely $4, but it surely’s not dependable sufficient for me to advocate.
HGLRC M100 Mini:
All the advisable GPS modules are plug-and-play in Betaflight. They require simply 4 wires: energy (5V), floor, and a spare UART TX/RX in your flight controller. Compass modules would require two further wires. For setup directions, consult with my information: https://oscarliang.com/setup-gps-rescue-mode-betaflight/
Conclusion
Now could be the right time so as to add a GPS module to your FPV drone for those who haven’t finished so already. GPS modules have turn into extra inexpensive and user-friendly. For as little as $4 (or round $16 for a top-performing GPS), it’s a small funding that would doubtlessly save your drone within the occasion of a misplaced sign. Equip your FPV drone with a GPS module and expertise the peace of thoughts it brings as you’re taking to the skies.
Edit Historical past
- 2023 – Assessment posted.
- July 2024 – Re-ran testing and added extra GPS module choices within the round-up.
