If you’re in the market of new mobile operators and mobile phones, it is important that you’re an informed consumer and know the differences between the two major cellular technologies are available, CDMA and GSM technologies.
What is CDMA
CDMA is an acronym for Code Division Multiple Access, it is a digital technology, which is used, what [...]

A SIM card is a removable smart card, allowing users a simple way between mobile phones while keeping their personal contact information and address books. The SIM card is linked to the network operator and can be moved without the intervention of vehicles. Activation of a new mobile phone in a GSM network is a [...]