GSMArena.com - The ultimate resource for GSM handset information
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Rating:GSM, is a standard set developed by the European Telecommunications Standards Institute to describe technologies for second generation digital cellular networks. Developed as a replacement for first generation analog cellular networks, the GSM standard originally described a digital, circuit switched network optimized for full duplex voice telephony. The standard was expanded over time to include first circuit switched data transport, then packet data transport via GPRS. Packet data transmission speeds were later increased via EDGE referred as EGPRS.
read moreFull Rate or FR or GSM-FR or GSM 06.10 was the first digital speech coding standard used in the GSM digital mobile phone system. The bit rate of the codec is 13 kbit/s, or 1.625 bits/audio sample. The quality of the coded speech is quite poor by modern standards, but at the time of development it was a good compromise between computational complexity and quality, requiring only on the order of a million additions and multiplications per second.
read moreGSM frequency bands or frequency ranges are the cellular frequencies designated by the ITU for the operation of GSM mobile phones. There are fourteen bands defined in 3GPP TS 45.005, which succeeded 3GPP TS 05.05: