License needed for an FRS/GMRS radio?

What is the licensing situation for these combined FRS/GMRS radios – do they have to be licensed or not?

Choosing your radio manufacturer

What two way radio can you recommend with longer range, that is practical to use and is the most affordable for personal use?
I’ve researched a bit and found out that most two-way radios have maximum of 5watts output and they differ in price.
Midland seems to have a good price, while Icom costs a bit more. [...]

Is MDC signalling allowable on MURS Radios?

I have read over many times GMRS, HAM, FRS, and MURS documents. I know MDC Signalling which is used on Motorola Products is prohibited from use on FRS and GMRS. I havent found anything on the Multi Use Radio Service (MURS) though saying you cannot use MDC 1200 (- or +) signalling on MURS un [...]