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Glossary
Glossary
A
ACA Automatic Context Activation.
AMBE Advanced Multi-Band Excitation. A speech coding standard.
APN Access Point Name. The Access Point Name is used by the terminal operator to establish
the connection to the required destination network.
AT commands A command set used for controlling modems.
B
BeiDou Chinese satellite navigation system.
BGAN Broadband Global Area Network. A satellite network based on geostationary satellites,
delivering broadband data and telephony to virtually any part of the earth, with full UMTS.
C
C1D2 Class 1 Division 2 (C1D2) is a certification issued to a specific product that allows it to be
used in potentially hazardous environments.
CE Conformité Européenne. This term signifies that a CE certified product conforms to
European health, environmental, and safety regulations. In short, it makes the product
legal to be sold in the European Union.
CS Circuit Switched. Circuit-switched networks require dedicated point-to-point connections
during calls.
D
DHCP Dynamic Host Configuration Protocol. A protocol for assigning dynamic IP addresses to
devices on a network. With dynamic addressing, a device can have a different IP address
every time it connects to the network.
E
ECEF The Earth-Centered Earth-Fixed or conventional terrestrial coordinate system rotates
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