The Global System for Mobile Communications (GSM) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation (2G) digital cellular networks used by mobile devices such as mobile phones and tablets. GSM is also a trade mark owned by the GSM Association. GSM may also refer to the Full Rate voice codec.It was first implemented in Finland in December 1991. By the mid-2010s, it became a global standard for mobile communications achieving over 90% market share, and operating in over 193 countries and territories.2G networks developed as a replacement for first generation (1G) analog cellular networks. The GSM standard originally described a digital, circuit-switched network optimized for full duplex voice telephony. This expanded over time to include data communications, first by circuit-switched transport, then by packet data transport via General Packet Radio Service (GPRS), and Enhanced Data Rates for GSM Evolution (EDGE).
Subsequently, the 3GPP developed third-generation (3G) UMTS standards, followed by the fourth-generation (4G) LTE Advanced and the fifth-generation 5G standards, which do not form part of the ETSI GSM standard.
As a result of the network's widespread use across Europe, the acronym "GSM" was briefly used as a generic term for mobile phones in France, the Netherlands and in Belgium. A great number of people in Belgium still use it to date. Beginning in the late 2010s, various carriers worldwide started to shut down their GSM networks.
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Mga lods about sa GSM module Arduino, pwede mag send ng alert message for free? Sample yung tank ng tubig lagyan ko ng sensor tapos pag na puno na gagamit ako ng gsm module pra ma notify yung person. Free lng ba to? Ano need pra jan? Pra gumana?
Maraming Salamat po sa pag sagot at help!
Guys, please po pahelp naman sa may nakakaalam ng ano pwese gawin.
Everytime i switch my network mode to WCDMA/GSM (Auto) wala po ako na rerecieve na data, i have tried to check my sim card already but its not the problem, na try ko na din po yung sa RADIO ON/OFF, still not working.
Ano po ba...
mga tol may nakaka alam po ba sa inyo about sa gsm sim900?
meron po akong 12v.2000mA na power supply (Charger)
di po ba ma sisira system ko nito pag sinalpak ko ang ganitong power supply?
(paki delete po pag mali ang location ng thread salamat)
Pa Tulong naman po kung pano ko ma kuha ng Free yung Nck Code ng Alcatel Y580Y Naka lock kasi sa Smarr Bro Gusto ko sana gawing Globe para mabilis pocket wifi ko. Thanks you.
pahelp nman po ako pls. sa mga mbabait po na tao na makakatulong sakin. pahingi nman po ako ng mga secret codes or hidden codes na updated po para sa cherry mobile (unit: cherry mobile d7 and cherry mobile A17) di keypad lng po kc co nya. pls. po i need it badly. or ung may mga alm po kng paano...
Permission to post admin, if not paki delete nlng po.. gusto ko lng makatulong sa mga baguhan na gs2 matoto mag repaire ng cp..
Schematic of nokia, samsung and sony ericson.. (old model) ^_^
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