Hi dreiwhit, i am so happy to read your words, this is the only answer who support a walkie talkie, haha. I will discuss with other families and i think i will still give it a try, thanks again for your tips.
You're welcome Moonlightshadow!
One more story. On our February/March 2016 trip, on one of our MK days, my wife's cell phone went completely dead. After a full day of heavily using
MDE to pick up FastPasses and being in rides that doubled as Faraday Cages (the cellphone used more battery trying to get a connection), it was enough to drain her battery completely.
Fortunately, we had our two-way radios and were able to keep in contact with each other.
We actually prefer to use radios to keep in touch, but to each his own.
One thing to keep in mind is that you have to find the right walkie talkies to use. The VHF band doesn't work that well with all the steel and concrete. Not to mention, the rides can give off Radio Frequency Intrerference that can interfere with radios. The UHF and above bands are better than VHF for inside the parks. Also, if a lot of folks are using FRS radios, it will be hard to communicate because of the heavy usage of those frequencies and the interference it will cause. You need to find a clear band and a clear frequency.
Our "radios" are 900Mhz frequency hopping, spread spectrum. They are also using a digital modulation that no scanner can pick up. I've never run into anyone else using them, so we've got a clear band with no interference!