Alan,
 
Have you checked out parallax?  They have a GPS module (designed by Grand
Idea Studios) that speaks 4800bps (NEMA), powered on 5VDC, talking on a
single-wire TTL Serial interface for $72 (in qty of 10).  I don't know if
that is cheap enough or not. I just remember seeing it and thinking it
looked pretty good. It looks modular enough to bolt on to an existing
product.
 
http://www.parallax.com/Store/Sensors/CompassGPS/tabid/173/CategoryID/48/Lis
t/0/Level/a/ProductID/396/Default.aspx?SortField=ProductName%2cProductName 
 
Hope this helps.
-Jeff
 
> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf
> Of alan smith
> Sent: Thursday, September 10, 2009 3:47 PM
> To: Microcontroller discussion list - Public.
> Subject: [PIC] Looking for a GPS module - small qty builds,
> inexpensive,simple to use
> 
> Have a client who is interested in putting a GPS module on his product.  I
> haven't really kept up with them, so I am looking for anyone with
> experiance using them and can provide me with some info or pointers.
> 
> What I need is something that is readily available for 100 pc purchases,
> even if its 3 weeks out thats fine.  I also need it very price competitive
> as well.  So easy to get and cheap, not asking for too much am I?
> 
> On the interface. I am thinking that they are all pretty similar in the
> serial link and there is some sort of standards (NMEA?) for both query and
> getting data back. Is this correct?
> 
> 
> 
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