Zachtek WSPR beacon

I have a 10m 200mW WSPR beacon by ZachTek in Sweden. 

What I really like is that, apart from switching it on, nothing at all has to be done, Maidenhead locator and timing are all done by GPS. 

There is a much cheaper product from China, but this is inferior.

With a very average wire antenna it seems to get spotted widely around the world.