7
Indicates that the device can be damaged by electrostatic discharge.
This note contains helpful suggestions or references to material not covered in the
document.
1.3
Related Documentation
Please consult the download zone of the CEP AG website for additional documents related to CT63 NG, such
as AT command manuals. Note that such type of documents can be accessed online only after you have
registered on our website and agreed with our terms of use. Please follow this link to register for a user
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1.4
Abbreviations
Abbreviation Explanations
CSD
Circuit Switched Data
DCE
Data Circuit Terminating Equipment
DTE
Data Terminal Equipment
GPRS
General Packet Radio Service
GSM
Global System for Mobile Communication
MS
Mobile Station
MT
Mobile Terminated
PDU
Protocol Data Unit
SIM
Subscriber Identity Module
SMS
Short Message Service
URC
Unsolicited Result Code
VIH
Volt Input high
VIL
Volt Input low
VSWR
Voltage Standing Wave Ratio
Table 1: Abbreviation