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BT-Q818X: Qstarz BT-Q818X Bluetooth GPS Receiver (66 ch MTK2, 42hrs, 5Hz Hardware Switch, Dual USB/Bluetooth) MODEL # BT-Q818XT

4.2 4.2 out of 5 stars 282 ratings

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About this item

  • See picture for information
  • Not compatible with any generation iPad, iPhone, and iPod Touch
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BT-Q818X: Qstarz BT-Q818X Bluetooth GPS Receiver (66 ch MTK2, 42hrs, 5Hz Hardware Switch, Dual USB/Bluetooth) MODEL # BT-Q818XT
BT-Q818X: Qstarz BT-Q818X Bluetooth GPS Receiver (66 ch MTK2, 42hrs, 5Hz Hardware Switch, Dual USB/Bluetooth) MODEL # BT-Q818XT
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Price$109.99-6% $169.49
Typical:$179.95
$96.99$29.99-10% $899.99
List:$999.99
Delivery
Get it as soon as Friday, Apr 5
Get it as soon as Wednesday, Apr 3
Get it as soon as Wednesday, Apr 3
Get it as soon as Wednesday, Apr 3
Customer Ratings
Battery life
4.5
3.7
4.2
4.2
Accuracy
3.5
4.7
4.3
4.4
Easy to use
4.4
4.3
4.3
Tech Support
4.3
3.9
4.1
Sold By
GPS City
GPS City
GPS City
FFB Tech
Amazon.com
mounting type
found in image, Dashboard Mount
Dashboard Mount
found in image, Dashboard Mount
Dashboard Mount
found in image, Dashboard Mount
Magnetic Mount
batteries included
battery average life
32 hours
13 hours
10 hours
13 hours
2 hours

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Product Description

See picture for information. Not compatible with any generation iPad, iPhone, and iPod Touch.

Product information

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BT-Q818X:

BT-Q818X: Qstarz BT-Q818X Bluetooth GPS Receiver (66 ch MTK2, 42hrs, 5Hz Hardware Switch, Dual USB/Bluetooth) MODEL # BT-Q818XT


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Customer reviews

4.2 out of 5 stars
4.2 out of 5
282 global ratings

Customers say

Customers like the compatibility, speed and accuracy of the GPS. For example, they mention it works great, it connects to TrackAddict nice and quickly and that it's accurate to within a yard. They also like the quality, and lock. That said, some disagree on battery life, and bluetooth connectivity.

AI-generated from the text of customer reviews

52 customers mention48 positive4 negative

Customers are satisfied with the compatibility of the product. They mention that it works well with their T-Mobile MDA, does a great job receiving the signal, and has flawless execution. Some say that the product works well indoors, though it is a bit slower than with a direct or near signal. Overall, most are happy with their purchase and recommend it to others.

"...the only bluetooth GPS I was able to found at F L Y 's. It worked fine when it worked. Takes long time to catch satellite...." Read more

"...I have had my Q818XT for over two years and it that time it has work flawlessly...." Read more

"...MKT vII chip with 66 channels and -165dB sensitivity, so it performs really really great in concrete canyons and tree cover...." Read more

"...It even works indoors, though it is a bit slower than with a direct or near direct (like in a car) view of the sky...." Read more

33 customers mention27 positive6 negative

Customers like the speed of the GPS. They say it's very quick to get a signal, and pairs almost instantly. They also mention that it starts very fast within 10-20 sec, and connects to TrackAddict nice and quickly. The speed of fix is also amazing, and cold start is a few seconds and hot start is faster.

"...The speed of fix is also amazing - Cold start is a few seconds and hot start is faster than I can switch on my phone's bluetooth!..." Read more

"...It is extraordinary because it is high speed 10Hz, even used for racing cars and motorcycles, located more than 12 active satellites and use of GPS..." Read more

"...for this GPS receiver is that it's "10Hz" - it produces position and dynamic data every 100ms...." Read more

"This unit is as advertised, 10Hz worth of refresh rate. It is super quick, and is pretty darn reliable as far as getting a signal...." Read more

31 customers mention29 positive2 negative

Customers are satisfied with the accuracy of the GPS. They mention it's reliable, accurate to within a yard, and pinpoint accurate. They also appreciate the battery life and the ability to track precisely. Overall, most are happy with their purchase and recommend it to others.

"...The GPS itself is great but the plastic casing sucks, and the little sliding buttons are really flimsy...." Read more

"The GPS unit is okay, basic BT gps. Thus just an average 3 star rating. BT works fine, accuracy is okay...." Read more

"...The GPSView software has a nice feature that, in addition to setting the update rate for the 1 Hz switch position, allows you to select how often *..." Read more

"...I did charge it once, but I don't think I needed to. The accuracy seemed pretty good especially compared to the built-in receiver...." Read more

22 customers mention22 positive0 negative

Customers are satisfied with the quality of the product. They say it is well-made, reliable, and accurate. Some customers also mention that it feels a little cheap, but hasn't broken. Overall, customers are happy with their purchase and recommend it to others.

"...Impressive battery life, high quality, fast position fix, amazing satellite lock-on...." Read more

"...Stable and consistent...." Read more

"...also bothered me put my card details, but it certainly is the best reliable choice, Excellent Service, Punctuality, Efficient Delivery, Very Safe..." Read more

"...It is super quick, and is pretty darn reliable as far as getting a signal...." Read more

6 customers mention6 positive0 negative

Customers are satisfied with the lock of the product. They mention that it has an impressive lock-on, it stays locked, and gets a location lock reasonably quick. The lock time is almost instant, and the receiver reports a good lock.

"...Impressive battery life, high quality, fast position fix, amazing satellite lock-on...." Read more

"...- and clear skies (lock on 7-8 satellites), the receiver reporting a good lock, with WAAS enabled (DGPS)...." Read more

"...The GPS pairs quickly with my phone and gets a location lock reasonably quick...." Read more

"...GPS location locks in quickly and stays locked. Seems to be very accurate...." Read more

6 customers mention6 positive0 negative

Customers are satisfied with the reception of the GPS. They mention that it maintains a great signal, and it is the most powerful receiver available to date. They also say it is very handy for reducing the transmission bandwidth.

"...Thanks to new MTK2 chipset with higher sensitivity. Signal strength is at the best ever.c. Long battery life...." Read more

"...Most powerful GPS receiver available to date - excellent product...." Read more

"...This is very handy for reducing the transmission bandwidth to just what you need.Steve" Read more

"...This one has excellent battery life and great reception even in Downtown. Works great with my Nook Color using Bluetooth gps provider." Read more

35 customers mention24 positive11 negative

Customers are mixed about the battery life of the product. Some mention that it lasts really long, has a replaceable battery, and is rechargeable. Others say that the battery could be a little better, there's uncertainty in the battery level, and that it died completely while on battery.

"...Impressive battery life, high quality, fast position fix, amazing satellite lock-on...." Read more

"...is definitely state of the art in small, portable, Bluetooth, long-battery life, high update rate, GPS receivers...." Read more

"...I like that we have a replaceable battery but I don't like the latch on the battery cover, I fear it will break and likely damage the case...." Read more

"...VERY FRUSTRATING. When it stopped charging battery (either charging circuit malfunction or battery has died), I had to find alternate GPS unit...." Read more

29 customers mention17 positive12 negative

Customers are mixed about the bluetooth connectivity of the product. Some mention that it is very easy to pair with the phone and simple to use, while others say that it won't make a bluetooth connection while USB is plugged in, has difficulty connecting to BT, and that the connection to GPS was intermittent.

"This Bluetooth GPS unit works well and is simple to use...." Read more

"...This was the worst one. Connection to GPS was intermittent. When it worked, satellite signal was weak.4. GlobalSat BT-335..." Read more

"...fits in any pocket, even the shirt, very easy to use, just turns on and ready, because it is Bluetood, it very comfortable and practical as I can..." Read more

"...and I did some simple testing in near ideal conditions: Bluetooth communications as good as one can expect - host (phone or PC) 3ft away from..." Read more

A bit of a stretch - does job, but not so well
4 Stars
A bit of a stretch - does job, but not so well
= = = = June 30, 2019 = = = =I will not get into much details - there are plenty of resources with specifications and reviews of this product, but I'll just share a bit of my personal analysis. I may add more as I do more work on this device.The main selling point for this GPS receiver is that it's "10Hz" - it produces position and dynamic data every 100ms. That is easy to verify and I did some simple testing in near ideal conditions: Bluetooth communications as good as one can expect - host (phone or PC) 3ft away from receiver, no obstruction - and clear skies (lock on 7-8 satellites), the receiver reporting a good lock, with WAAS enabled (DGPS). You can see the results (actual GPS timestamps) on the first image: out of 16,912 data points, only 16,293 we at around 100ms (10Hz), that's around 96.2%, while 3.8% of the time, the data was coming at anywhere between 200ms and 800ms (5Hz to 1.25Hz). The other image shows the stationary distribution of position (in meters). While it may seem pretty good (location confined over a 6x6 meter square area), it gets worse while moving.In the end, one could put this in the perspective of how much can you expect from an $80 product, but the fact remains that there are other similar devices that claim lesser sampling rate (e.g., 5Hz, like the iTrek M7) that provide similar if not better performance. While at any time the market has different products (you can't buy the iTrek M7 on Amazon anymore), the performance of this device needs to be kept in check at least with its stated specifications. From its own manual: "Position Without aid: 3.0m 2D-RMS; Accuracy <3m CEP(50%) without SA (horizontal), DGPS (WAAS, ENGOS, MSAS): 2.5m". For its stated racing purpose, those numbers would be great. The actual results - not good (and, yes - I did some dynamic testing with my own software).Conclusion: the performance of this device is very much on par with other similar budget GPS receivers, which is not enough for quality racing applications, without the assistance of some advanced data processing and sensor-fusion techniques (which I'm planing to explore hopefully soon).
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Michele Lo Bianco
5.0 out of 5 stars Di dimensioni contenute, il suo lavoro lo esegue egregiamente
Reviewed in Italy on April 21, 2023
One person found this helpful
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LANGLOIS
5.0 out of 5 stars parfait pour ce que je lui demande
Reviewed in France on June 3, 2020
berto S.C
5.0 out of 5 stars Muy buena Antena GPS bluetooth
Reviewed in Spain on September 18, 2018
3 people found this helpful
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LIM TENG KWEE
5.0 out of 5 stars Fast delivery, works well!
Reviewed in Singapore on January 20, 2022
5.0 out of 5 stars 価格と性能
Reviewed in Japan on May 5, 2021