I am appreciating this application that indicates current 2g, 3g, or 4g coverage

[mmtowns]

Network Monitor Lite

I wanted to share an app that I've found to be very useful as I try out various cellular carriers on my Nexus 4. The full app is a few dollars and I think I might buy it soon.

 

[IAmSixNine]

Network Signal INfo is another great app that i use on of my devices.