Global System of Mobile in Nigeria
In January, 2001, GSM was introduced into Nigeria to mark the beginning of what has been
termed as GSM Revolution in the country. The machinery of GSM composes of a TDMA
based ―digital cellular phone technology‖ that was initiated in Europe and subsequently goes
internationally. The system is believed to delineate the ―entire cellular system, not just the
TDMA air interface‖ (The Free Dictionary Online, 2012).