GSM History GSM Introduction

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=M8h2OBo6NAw

Telecom GSM Introduction and History.By 1979, several mobile radio networks already existed worldwide. They operated on different frequency bands and were ba...

GSM Introduction, GSM Development, GSM Today, GSM to 3G, HSCSD, GPRS, EDGE, UMTS, GSM history, GSM, Telecom Learning, 3G, ETSI, GSM 900, GSM 1800, GSM 1900, ISDN, TDMA, Telecom, A interface, BSS, NSS, OMS, Air Interface
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