DX  » Community » Reviews » EM-411 GPS Engine Board Module with SiRF Star III Chipset
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100% of customers would recommend this product to a friend.

    • Overall Rating: 5
    • Price: 3
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Surprisingly good

    posted by UberHuman on 01/07/2014 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    This GPS module has big antenna and that is very good if you want use it in indoors. I once saw collegue's GPS module (it comes with Ardupilot), their antenna was much smaller. Fix for GPS satellites is fast: when I turn it on, it got fix after half minute ...
    Cons:
    After some time (month or so, I not measured exactly) of unpowered state GPS module "forget" changes in setting which...
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    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Great GPS unit for the price

    posted by jcourter on 05/18/2013 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    This unit has a very fast signal acquisition time. The power consumption is low, making it ideal for battery powered projects. The serial communication protocol is widely available on the web, which makes it easy to use.
    Cons:
    Loses signal at times when inside a vehicle due to the directional antenna that needs to be facing the sky for best signal
    View Detail » 
    • Overall Rating: 5
    • Price: 4
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Great little GPS

    posted by overkillthemighty on 05/16/2013 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    Great device
    Cons:
    None
    View Detail » 
    • Overall Rating: 4
    • Price: 5
    • Quality: 3
    • Ease Of Use: 4
    • Usefulness: 2
    2 DXPoints
    earned for this post
    Easy to use, cheap but not precise.

    posted by HiPERnx on 03/04/2013 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 day to 1 week

    Pros:
    Cheap Easy to get started Small Works perfect with my arduino uno via serial (4800baud).
    Cons:
    Slow start up Says i'm 15 km away from my actual position and it says it has perfect GPS reading (Only me?). Boring packaging, ...
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    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 3
    • Usefulness: 4
    2 DXPoints
    earned for this post
    Great GPS for Hobbyists

    posted by tcampanate on 02/11/2012 Certified Owner

    Involvement:General (knows how to use it) - Ownership:1 week to 1 month

    Pros:
    - It's cheap. - Has a Buit-in antenna. - Small. - Came with a 6 pin cable. - Has a led that helps to identify if your wiring is correct or not. - It's very easy to find documentations over the internet. - Fixing time is faster than from my cellphone as is i...
    Cons:
    - It's refresh rate time is only 1Hz. But this is a limitation of the price...
    View Detail » 
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