I have a Sanyo pro700 its a military issue bare bones no camera phone. Its rough and tough and takes a beating.

It has the best antenna for better reception and that is what I was looking for. It has GPS plus an excellent speaker and microphone. It has one of the best battery life as welll It does get the Internet but I don't use it or text messaging. I wanted a phone to get and make calls.
We are in the boonies so reception was my main goal. It hasn't let me down yet.
To bubblegum- I rarely hear them called "mobiles" anymore. Most people call them either "blackberry" if that's what it is or just "cell"
Mine looks exactly like this-