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GNS 5870 MFI GPS BT Receiver for iPod, iPhone and iPad

3.0 out of 5 stars 108 customer reviews
| 3 answered questions

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Product Features

  • Size (LWH): 1.77 inches, 3.11 inches, 0.43 inches
  • Weight: 1.1 pounds
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Product Information

Product Dimensions 1.8 x 3.1 x 0.4 inches
Item Weight 1.1 pounds
Shipping Weight 5.6 ounces
Domestic Shipping Item can be shipped within U.S.
International Shipping This item is not eligible for international shipping. Learn More
ASIN B004289ZW0
Item model number 5870 MFI
Customer Reviews
3.0 out of 5 stars 108 customer reviews

3.0 out of 5 stars
Best Sellers Rank #435 in Electronics > Accessories & Supplies > GPS System Accessories > Chargers & Cables
#51,632 in Electronics > Accessories & Supplies > Cables

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Customer Reviews

Top Customer Reviews

5.0 out of 5 starsGPS for Wi-Fi only iPads
By Robert S. Wenger on December 13, 2010
Verified Purchase
Like some, I bought the Wi-Fi only iPad because I specifically didn't want the 3G capability. But in hindsight, I did miss at least the GPS capability. So to make up for my "remorse", I ordered the external bluetooth GNS 5870. It pairs quickly with the iPad buetooth and locked on to 6 satellites (based on one app's notification) through a large upstairs window in about 2 or 3 minutes. It was a little faster I believe through my car windshield. And it stayed locked on even after walking briefly into a shopping mall with it in my shirt pocket. How accurate? Two iPad apps say accuracy is within 30 feet but this reading is through an apartment window. The accuracy of Wi-Fi only was reported as 213 feet. But the GNS 5870 works very well all by itself and thats why five stars. I would not rate it less just because the "touch and slide" on and off is slightly finicky and can be unexpectedly activated by certain movements within a coat pocket etc. Its very portable at 1 3/4 x 3 inches and has a nice rubberized body except for the 1/2 inch wide plastic touch strip. The total GNS 5870 cost at $160.00, means I'm paying about $30.00 more than the iPad 3G model would have cost.

None of my views would matter though, if the GNS 5870 cannot work with the few iPad mapping, navigation, and GPS apps that are compatible with the Wi-Fi only iPad. So I discuss these apps not as an endorsement, but just to show that the GNS 5870 does work well without Wi-Fi and with no extra expense of a 3G data plan. It should be noted however, that this does not replace the usefulness or maybe the overall accuracy of the iPad 3G, as the iPad 3G has three modes of triangulation: Wi-Fi, 3G and GPS, which provide navigation assistance when some of the modes like satellite are not available.Read more ›
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3.0 out of 5 starsWorks great w/ iPad, touch sensor quit working
By Brian C. Hynds on October 12, 2010
Verified Purchase
I purchased this GPS for my WiFi Apple iPad and even though my emails said the expected delivery day would be more then a month ahead of my order date, I recieved it within a few days (it took some time to get to the US from Germany). The initial setup with my iPad worked flawlessly and I was able to pickup an extremely accurate GPS signal lock within seconds using the Maps app that shipped with the iPad. I was very impressed ... Until I couldn't shut the unit off. It worked a couple of times turning on and off, but now I am unable to just swipe my finger across the touch sensor to shut it off. Without a real switch, I'm stuck waiting for a reply from their email team as to what I should do to resolve the problem.

Otherwise it works great. I have tested it using the Maps app, Google Earth, and WiFiFoFum (yes, I snagged this lovely app from the app store when it was still available, no jailbreak here ;). I'd rank it a 5 star if the switch would still be working after less then a day of testing it.
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5.0 out of 5 starsPerfect addition to the iPad
By Aviator on March 9, 2011
Verified Purchase
The GNS 5870 was purchased to add true functionality to the iPad Foreflight App in the cockpit. Since day one, it has preformed flawlessly on all domestic and international flights. It allows the iPad to be used in several different areas of the aircraft without any degregation to the quality of the GPS Signal. Additionally, I have not encountered any problems turning the device on and off as has been mentioned in other reviews. I wholeheartedly recommend this device to fellow pilots without hesitation.
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1.0 out of 5 starsDumping mine for an XGPS150
By 4321as on August 22, 2011
Verified Purchase
I'm a Flight Test Engineer by trade. IF the GNS 5870 were a piece of equipment in an airliner cockpit, it would be considered non-certifiable per FAR 25.1301(d). Granted, it's NOT a piece of equipment in an airplane cockpit, but that's where a lot of people who buy this device (myself included) will try to use it. So buyer beware. When I purchased the device, the Bad Elf was all the rage and this really sounded like a better product. I read the reviews For and Against, including several anecdotal descriptions about a quirky power switch. Admittedly, I chuckled at the thought of some who idiot couldn't get shut his device off. The day I got the device, I had ZERO problems switching the device on and off. "Swipe On, Swipe Off" I couldn't believe people were having problems simply swiping their finger across the device. It seemed ridiculously easy. Call it beginner's luck because the next day after my first flight with the device I had a couple of "mis-swipes." OK, Nothing to be concerned about. I'm sure even the swiftest of finger swipers occasionally need to recalibrate their digits. ---- To digress for a second, in terms of Bluetooth/GPS performance, the until synched instantly with my iPad and to use it with Foreflight HD is a thing of beauty. It captured a signal quickly, tracked very well and I was wowed. ----My next flight with the device required a fuel stop. Parked at the pumps, I tried to turn it off and it wouldn't. 10 - 20 - 30 swipes of varying pressures and nada. I took a deep breath, shook out my hand and tried again with a very very light touch - and again - and again and again and still couldn't get it to shut off. Frustrated, I left the device on while I refueled and dined on my $100 hamburger.Read more ›
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Most Recent Customer Reviews

5.0 out of 5 starsFive Stars

very good

Published 15 months ago by Bflores
1.0 out of 5 starsPoor product.

I have had it for a few years now and it very seldom works. I have only been able to get it to work a few times.

Published on October 22, 2014 by Derek
2.0 out of 5 starsIf you manage to turn it on, you *may* be able to pair it with your...

It works, but it's not as convenient as having an iPad with GPS built in. This thing is too hard to pair with the iPad. Read more

Published on September 13, 2014 by Martin Gomez
5.0 out of 5 starsFive Stars

works perfectly with Ipad 1

Published on September 6, 2014 by Mehnen
1.0 out of 5 starsGerman Engineering Not Always Better

For me, this unit has been rock-solid for both syncing with GPS receivers and bluetooth to an iPad. However, the malfunctioning on/off switch overwhelmingly overrides any... Read more

Published on September 7, 2013 by James A. Brownfield
2.0 out of 5 starsUnreliable GNS 5870 MFIr

I bought mine for use with SkyDemon for safer aviating.
The on off problems have been experienced but not a constant problem. Read more

Published on August 21, 2013 by BW
2.0 out of 5 starsUser Interface is awful

This unit comes on all the time when it's in my pocket. I've given up trying to figure out how to store it so that it's guaranteed to be fully charged when I need it. Read more

Published on July 30, 2013 by G. Wilson
1.0 out of 5 starsHorrible Horrible HORRIBLE CONNECTION

I fly piper warriors, working on commercial so I use foreflight, it connects on the ground stops working 1000' AGL or even less maybe more than that. Read more

Published on July 5, 2013 by Seydina Diagne
2.0 out of 5 starsJust wish I could turn it off!

The GPS fu nctions well through plexiglass aircraft windows. It has a difficult time getting position information through the thicker glass windows of a Challenger. Read more

Published on June 12, 2013 by Jeckyl11
1.0 out of 5 starsGarbage

Don't buy this garbage. Bad quality case and reset button will be broken sooner or later.
Buy rather Garmin receiver.

Published on May 26, 2013 by Pawel Borek

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