Vorneweg, I use the WS320 with my Speedport W723V Type B (German Telekom).
Positives:
+ Small dimensions
+ No stupid antennas
+ Is not stupid on any piece of furniture around, but inconspicuously inserted in the socket
+ Just to infect WPS button on the wireless router, and then press the WS320 ... already connected
+ The connection works with my Speedport W723V type B (German Telekom) quickly and reliably
+ You can simply take out from the wall outlet and plug it back to WS320 also overnight or when you go on holiday, to work immediately without further WPS procedure
+ Little packaging, the environment's sake
Negatives:
- So far there is nothing to the thing auszussetzen
Price-Performance:
is okay, what's the use if the thing would be cheaper but poorly funktioiniert ... nothing .. so the price is OK and cheaper I have not yet discovered