GSM technologies have become the international industry choice for 4G networks, so most carriers in the U.S. are moving to that standard.
What is GSM technology and how it works?
GSM, an open and digital cellular technology, uses the 850MHz, 900MHz, 1800MHz, and 1900MHz frequency bands to deliver mobile voice and data services. The time division multiple access (TDMA) method was employed in the creation of the GSM technology for communication purposes.
What techniques does GSM use?
The Global System for Mobile Communication (GSMTM) technology combines Time Division Multiple Access (TDMA) signaling over Frequency Division Duplex (FDD) carriers with Gaussian Minimum Shift Keying (GMSK), a variation of Phase Shift Keying (PSK).
What are the advantages of GSM?
International calls are free of roaming fees. comprehensive coverage and global connectivity. GSM uses the SAIC and DAIC techniques, which offer very high transmission quality. The SIM card is what powers the phone, making it simple for customers to switch between various phone models.
Learn more about GSM technologies: brainly.com/question/28068082
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