But now times ... I have carried the Pi for fun including dongle in another room and can compete with a dedicated wireless card with three antennas, two cell phones, and einTablet a Fritz! Repeater. The repeater has the dongle had eaten, can not fool of mobile phones and tablet and cashed by the dedicated card only a gentle damper. (Meaning, of course, the connectivity to the router).
It eats also not really a lot of juice. In tests with batteries an active Wi-Fi connection has driven consumption not 10% higher.
Device well.
