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Review title: Good, but old.
Product review: This book is pretty good for what it is, I suppose. As it says, it's very heavy on protocols and how each message is formatted throughout the network. It's not meant for a beginner to GSM and only quickly covers some of the network aspects in a general sense.This book is also getting a little old. GSM is getting phased out in many developed counties as 3G/3.5G are taking over Just be aware of the date on the book, is all I'm saying.
