> > and it barely worked if I held the card right up to the window (major
> > packet loss when pinging).
> 
> We use two external antenas with lucent silver cards in a similar situation.
> Works fine. Doesn't work at all without the external antena.
lucent cards with satelite-like antennas works up to 3 km.
but there must NOT be any objects between or distance will be very much
shortened