wireless connection and USB adaptor

[Djinn]

Hi,
I'm thinking about setting up wireless networking in my home. How can I know my laptop is wireless enabled? Do I need usb adapter on my router?

Can the usb connection increase speed and range of my wireless connection? Can a router designed for 802.11n is compatible with 02.11g and 802.11a wireless signals?

Thanks

[Nick]

no, you do not need usb adapter for internet or wireless setup. Wireless-N Router with four antennas is the best option. All wireless standards have backward compatibility, so there is no question of incompatibility.