What is a "Gsm Portable"? The Most Authoritative Explanation.
What is a GSM phone?
GSM (pronounced gee-ess-em) is the most popular cell phone standard, and is used internationally, so you've probably heard about it in the context of GSM phones and GSM networks, especially when compared to CDMA. GSM originally stood for Groupe Spécial Mobile but now means Global System for Mobile communications.Which mobile carriers use GSM?
Here's a quick breakdown of just a few mobile carriers and that use GSM: 1 T-Mobile 2 AT&T 3 Indigo Wireless 4 Pine Cellular 5 TerreStarWhat is a GSM unlocked phone?
A phone labeled as a GSM unlocked phone is a device that can work with any compatible mobile service provider. Unlike a locked phone, you don't have to purchase a contract with a specific cellular network for the phone. You can choose to activate the device with any GSM mobile carrier. What does 'GSM carrier' mean?What was the first GSM based mobile service?
The first GSM based mobile services were started in 1991 in Finland and the acronym changed to Global System for Mobile Communications. At the same time the first digital cellular system was formed which was based on GSM recommendations and later known as GSM-1800. Also Read: An Overview of RFID Based Library Management System
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