Shanghai SIMCom Wireless Solutions Limited SIM7000A ユーザーズマニュアル
Smart Machine Smart Decision
SIM7000 _Hardware Design _V1.00
2017-05-23
C. Terms and Abbreviations
Table 39: Terms and Abbreviations
Abbreviation
Description
ADC
Analog-to-Digital Converter
ARP
Antenna Reference Point
BER
Bit Error Rate
BD
BeiDou
BTS
Base Transceiver Station
CS
Coding Scheme
CSD
Circuit Switched Data
CTS
Clear to Send
DAC
Digital-to-Analog Converter
DRX
Discontinuous Reception
DSP
Digital Signal Processor
DTE
Data Terminal Equipment (typically computer, terminal, printer)
DTR
Data Terminal Ready
DTX
Discontinuous Transmission
EFR
Enhanced Full Rate
EGSM
Enhanced GSM
EMC
Electromagnetic Compatibility
ESD
Electrostatic Discharge
ETS
European Telecommunication Standard
EVDO
Evolution Data Only
FCC
Federal Communications Commission (U.S.)
FD
SIM fix dialing phonebook
FDMA
Frequency Division Multiple Access
FR
Full Rate
GMSK
Gaussian Minimum Shift Keying
GNSS
Global Navigation Satellite System
GPRS
General Packet Radio Service
GPS
Global Positioning System
GSM
Global Standard for Mobile Communications
HR
Half Rate
HSPA
High Speed Packet Access
I2C
Inter-Integrated Circuit
IMEI
International Mobile Equipment Identity
LTE
Long Term Evolution
MO
Mobile Originated
MS
Mobile Station (GSM engine), also referred to as TE
MT
Mobile Terminated
NMEA
National Marine Electronics Association
PAP
Password Authentication Protocol
PBCCH
Packet Switched Broadcast Control Channel
PCB
Printed Circuit Board