Regarding GMRS and whether or not you need to be licensed - the answer is simple:
YES_TO_BE_LEGAL_YOU_MUST_BE_LICENSED
It costs about $75 for 5 years and you and your immediate family are covered under the one license fee. There is no test - you just use the FCC online ULS to pay for the license.
If you really don't want to pay for the license then don't use the GMRS channels and stick with an FRS only radio.
Google "GMRS license" and you'll learn all you need to decide whether or not to break the law - that will be your decision and only yours. Nobody on this forum should be in the position to tell you it's ok to use GMRS without a license...
I have a GMRS license and a HAM license, we're not talking megabucks here...
Wow, that's a long way down from this horse I seem to have gotten up on
cheers,
george.
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'97 S/C White CE, locked^3, sliders,arb,kaymar, m12000,dual batteries, LEDs, etc..... ki6ibx
http://www.george4wd.taskled.com