Just got my Lowrance Elite 7 Ti yesterday, I haven't installed it yet due to rain in the area but I was wanting some info on what the wireless features did such as the GoFree and Insight map downloads. Can I download the maps without having a navionics card or a map card in general? I have no idea how the wireless map downloading works, this is my first unit with any kind of features like this.

You can wirelessly connect to the GoFree Cloud where you purchase, download and immediately use Insight maps, and third-party maps. You should have a SD card in the slot to download all maps to and, you don't want to mix 3rd party maps with Insight maps on the same card. You can put more than one Insight map on a single SD card.

Yes you can also download all your firmware updates wirelessly also. As long as you have a wireless network to connect to you can update without removing your unit from your boat!