UBlox Micro M8N GPS Compass Module (1pc)

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16 Satellites and 2.2m in 5 minutes

Nov 17, 2018

I can't tell if this is a real ublox, but it does much better than the GPS that was bundled with a low cost flight controller. Sitting on my desk (inside of a house) it is picking up 16 satellites and showing 2.2 EPV and 1.4 EPH after around 5 minutes. The cheapo unit would get 10 satellites after 20+ minutes, but never under 10m error.
Will try to configure and flash it next, that will be the real test.

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Best price for a genuine uBlox NEO-M8N

Oct 23, 2017

You aren't going to find a GPS with a genuine uBlox NEO-M8N chipset anywhere.
This "holybro" model differs from their round version only in the pin order and connector.
It's not a Taoglas patch antenna, but the assembly of the entire unit is first class.
For use with a pixhawk, you'll need to refer to the pinout I uploaded to reorder the wiring.
Before even leaving the ground, my units are already tracking 27 satellites.
Before finding this gps, I tested over 10 others which all turned out to have cloned chipsets and on some of them, luck was the only thing keeping them held together.
Fake units do not have flash ram, which will prevent you from being able to upgrade to the 3.x firmware. The flash also keeps yours settings, allows downloading of ephemeris data, and enabling the data log. Genuine units also have a unique signature on each; you can check that via the uBlox app, and all the other settings and options can be modified through the app as well.
The only negative thing is the appearance of the case. The raised solder blob on the antenna caused crazing on the lids of most of these I purchased. Of course, it's just cosmetic.. they will probably crack after a while, but so far, none of mine have.

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Customer Rated

May 02, 2016

sadly not satisfied.
I used this unit on my nova/cx-20
unit is not labeled for pin-out.
After figuring out the pin-out the unit works and find satellites fast!
my stock GPS usually has 9 satellites. the quad drifts about 5 meters.
Today when testing the m8n, i did have 15.
Sadly the quad was not stable and drifted/circled about 20 meters.
So even with more satellites visible it is not able the hold a steady position.

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Customer Rated

Feb 05, 2016

Did buy one to setup with F3 control board from HK. Once the wiring is sorted out, it works pretty well and gets the satellites fast. Will fit perfectly on the robocat 270 mm. There is a green led for the power and a blue led to identify when the sattelites have been detceted. I can't wait to test that in the air!