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5.8 out of 10

GlobalSat BT-821

Best Price at Amazon

Reviews and Problems with GlobalSat BT-821

Showing 1-10 of 38
Overall 10

Five Stars

John Obenchain, Amazon
4 days ago
Overall 8

but slightly annoying. Unfortunately this unit only ships with a car ...

WestCoaster, Amazon
1 week ago
  • Summary: I'm a 757/767 pilot for one of the US majors, using this GPS receiver with a MS Surface 2 tablet running Jeppesen Flight Deck Pro. The unit acquires a fix rapidly and displays the aircraft position on the Jepp enroute view as well as on the airport diagram. However, anytime you open another app on the Surface without keeping the Jepp FDP in view (split window) it stops 'talking' to the GPS receiver.
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Overall 6

Lacks basic features.

D. Williams "D", Amazon
17 December 2014
  • Summary: I will say it as accurate and quick as one would come to expect. However it lacks a lot of key features that have me debating a return. 1. No mini usb port/charging. It uses an old round DC Jack and you have to purchase a wall charger separately. I cannot believe in this day in age they elected to limit such an important and common connection. 2. Auto power off after BT disconnected. It powers off to save battery if no device is connected while it's not being charged.
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Overall 10

Quality product

Cardinal Flyer, Amazon
6 December 2014
  • Summary: Works perfectly at 38k baud. Fast acquire and solid lock on even is less than optimum conditions
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Overall 10

follow the direction to setup and it gave me a better accuracy than the phones gps

ugotjeff, Amazon
29 October 2014
  • Summary: use this with my android phone and tablet , follow the direction to setup and it gave me a better accuracy than the phones gps , and now my phone or tablet doesn't have to be in the sun
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Overall 2

Maybe it is just may particular device/software I pair this ...

John Zimmerman, Amazon
9 October 2014
  • Summary: Maybe it is just may particular device/software I pair this guy with, but it has a fatal flaw. It will often give me a postion that is about 200 feet off. When I notice that and disconnect/reconnect I get the proper position, but it is not always possible to know when it is off. I will be returning it if I can and replacing it.
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Overall 10

GPS Bluetooth for kindle fire HDX

bruce stoneman, Amazon
5 August 2014
  • Summary: Works with a kindle fire HDX!! Just need 3 apps, ES file explorer (to run files), towelroot (to root the kindle fire HDX, easy to do but took a while to find on the internet and so many confusing ways to root) and SQLite Editor Pro ( to modify the rooted kindle fire, just changing a 0 to a 1 in some data file) should only take about 10-15 minutes to do And a navigation app of your choice Need help just hit me up (I didn't get to detailed on here)
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Overall 4

Not for IOS.

Michael Stein, Amazon
2 August 2014
  • Summary: Apparently not compatible with IOS devices. It would have been nice to know this before ordering it and sending it back.
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Overall 10


Diane P., Amazon
7 July 2014
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Overall 6

User Review

Петров Алекc, Yandex
22 December 2013
  • Excerpt: Купил я этот девайс себе к телефону, на случай, если вдруг телефонный GPS-навигатор не поймает спутники. Конечно у этого аппарата быстрый холодный старт, но постоянный обрыв соединения, после которого надо мобильник перезагружать, это не в какие ворота не лезет. Я думал, что это от мобильника зависит, я его поменял и ничего не изменилось. Такого подарка мне больше не надо.
  • Pros: Мобильный, быстрый холодный старт.
  • Cons: Произвольный обрыв связи со свой стороны. На высокой скорости плохой пеленг.
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