As most of the major events (good and bad) that took place after July 4, 1776, the mobile phone “was born” in 1973 on the great American land, although various concepts, plans and prototypes existed since the early twentieth century . Peak, the inventors are  Motorola, a company which currently is about to abandon the [...]

If you move to Florida and you need a good Florida cell phone plan to use with your friends or family, you need to choose the one that fits you most. You can try the Sprint cell phone plans either you’re already with Sprint and you want to change the calling plans or you’re thinking [...]

IDENTIFICATION EQUIPMENT AND SUBSCRIBERS (GSM) SIM  – GSM phones use a microchip called Subscriber Identity Module (SIM). SIM is used to store configuration data on the phone, etc. on existing subscription. Each card is activated by a unique identification number, once activated, the identification number is registered and is related to the network card that [...]

Transmission – Mobile phones have incorporated in them low power transmitters. Many cells have two signal power levels: 0.6 W and 3 W (to make a comparison, mention that most radio stations transmit at 4 w). Transmission station send it with low power. Low power transmitters have two advantages: – The transmissions of stations and [...]

I believe everyone reading this article knows what a cell phone is and probably already used one. We all use them everyday calling, sending text messages, accessing the internet, and so on, but how many of us know how do cell phones work ? Let me give you some small info about it. An interesting [...]