GSM (Global System for Mobile Communications, originally Groupe Spécial Mobile), is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for digital cellular networks used by mobile phones.
The digital cellular networks developed as a replacement for first generation (1G) analog cellular networks, and the GSM standard originally described a digital, circuit-switched network optimized for full duplex voice telephony.
General packet radio service (GPRS) is a packet oriented mobile data service on the 2G and 3G cellular communication system's global system for mobile communications (GSM). GPRS usage is typically charged based on volume of data transferred, contrasting with circuit switched data, which is usually billed per minute of connection time.
Usage above the bundle cap is charged per megabyte, speed limited, or disallow GSM/GPRS M2M module allow both voice and data communication. GPRS data rate is typically 85.6 kbps (DL & UL), Multi-slot Class 12.
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Digi International was founded in 1985 and is headquartered in Minneapolis MN (USA). The Company is a publicly traded company on the NASDAQ stock Exchange. The company offers Embedded Modules & SBCs, RF-Modules and Wireless Design Services.
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