gsm cell phones

How can I find out if my phone will work where I travel?

Episode 1170

Tim from Cape Cod, RI

Tim is looking to get a cell phone that is GSM compatible for travel, and he wants to get the most compatible phone he can. Where can he find a good breakdown of that? Leo says that GSMArena.com is great because it provides the specs for all the phones and what radio frequencies they support. There's also WillMyPhonework.net.