Need Help

Hello,

I'm new to this and want to try to do things right so I need some advice. I am buying a tyt th-8600 waterproof radio to put in my side by side to use as a trail radio to communicate with others on the trail short range. I've done a little bit of reading and please correct me if I'm wrong but I want to communicate to others using the cheap 2 way radios that you get from like walmart, I think those are gmrs frequencies? what licence do I need to get to be in the clear?

Any help will be apprecited.

I didn't find the right solution from the Internet.

References:
www.twowayradioforum.com/forum/showthread.php?t=10187
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Thank you.