EM406 works with GPS-08334 eval board, EM408 does not???

GPS/GNSS Development Boards
1

Any reason this might be the case (power, the obvious difference between the two is coming from the USB, but I understand the SparkFun board is supposed to handle this onboard).

Thanks!

2

See my comment in the product description page:

http://www.sparkfun.com/commerce/produc … ts_id=8334