Wireless broadband is like a regular internet connection but it doesn't need any cables to work. A wireless broadband alliance is a group of companies that all work together to make sure wireless broadband technology works the best way possible. These companies will work together to share ideas and make sure that the technology works well for everyone, like finding ways to make it faster or cheaper. It's like a team of people who have come together to make sure wireless internet is the best it can be.