1 Macbook with Snow leopard
1 Windows 7 Notebook
1 Windows Vista Notebook
Both the Windows notebooks have full strength signal, the macbook shows 2 of four bars (all 3 are 4 meters from the modem)
The Macbook is picking up neighbours wireless stronger than mine.
My Modem router is a Belkin F6D4630-4 V2
Macbook is Wireless N
Notebooks are G