Holux GPSlim240 - GPS receiver module
Great unit for the size, bluetooth is great no wires needed, decent battery life.    The unit sometimes will not pickup sat lock, you have to wait a while or turn it off and back on again, but usually keeps a good lock once it gets it. Also location is important, needs to be out in the open and unobstructed to get a solid lock.    If you need something that works every time you need it and 100% of the time and very quickly, go with another device. Unit can be a pain when it's not picking up a sat lock and y