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Glossary
NAME DESCRIPTION
2G Second Generation: second generation (2G) digital standard for cell phones
including GSM, GPRS and EDGE.
3G Third Generation: third generation (3G) digital standard for cell phones including
UMTS, HSPA, HSPA+ and DC-HSPA+.
4G Fourth Generation: fourth generation (4G) digital standard for mobile telephony
including LTE-Advanced.
AES Advanced Encryption Standard: symmetrical encryption algorithm.
APN Access Point Name: the name of the access point the gateway uses to connect to
the Internet via a mobile connection.
Broker MQTT server in charge of receiving published information in order to transmit it to
subscribed clients. The broker has a relay role.
CSV Comma-separated values: open text format representing tabulated data in the form
of values separated by semi-colons. This format makes it easy to use data with
spreadsheet software such as Excel.
DNS Domain Name System: distributed computer service used to translate Internet
domain names to IP addresses.
FTP File Transfer Protocol: communication protocol used to exchange les over a TCP/IP
network.
HTTP HyperText Transfer Protocol: client-server communication protocol developed for the
Web.
IMEI International Mobile Equipment Identity: number used to uniquely identify each
modem.
IMSI International Mobile Subscriber Identity: unique number stored in the SIM card used
by a cell phone network to identify a user.
IP Internet Protocol: message protocol in charge of addressing and sending TCP
packets over the network.
Lua Script language. See http://www.lua.org/ for more details.