it says it on the router
No.
You can get a good wireless n router at places like future shop and best buy that sell computer equipment and these kinds of routers. its also a good bet to try eBay
Wireless technologies continue to evolve, with the newest and fastest standard being wireless N.
A Wireless N router simply uses different types of Hardware, the exact piece is called a N Connector. This allows for the router to not only put out a wireless signal, but it also allows for the router to receive wireless signal. This works great for computers that cannot pick up wireless signals normally.
You can use router of G or N type and the same type wireless adapter. Of course you can use wireless N adapter with G-type router and reverse.
You can buy a N wireless router from sites such as Amazon.com or from your Internet Service Provider. Best Buy also carries wireless N routers in their stores.
The Belkin wireless router is a good brand. There is nothing specifically different or special about it but a lot of people prefer you use this brand because they make many good wireless products.
Usually they are, you have configure the router for G wireless networks.
a lot faster
The same as with wireless G card and G router.
Wireless routers are OS-independent. Thus just get a good wireless routers with N compatibility.