I have Verizon Mobile Broadband for my Mac, can I play xbox live with my

[mancydude]

USB modem? If so, How do I? I have a Mac Leopard OS X 10.5.8. I recently signed up for the 2 yr. contract for Verizon Mobile Broadband. I was just curious if I could play on Xbox Live with it? I have my mac, ethernet cables, and a NetGear wireless router, and of course my Mobile Broadband. What do I have to do, or get to play Xbox Live if possible? Please help.... Thanks