Longsung-A9500-NB-IoT-Module-User-Manual-V2-3576207

A9500 user manual Page 9 of 37
1.4. Document History
Table 1：Document history
Versions
Name
Published Date
Revised Description
V1.0
Mao Jinjian
2017-03-09
Apply to A9500
V1.1
Zhang Yaowen
2017-03-16
Apply to A9500
Wangen Wei
2017-03-17
Modified
V1.2
Zhang Yaowen
2017-04-24
Modify the UART related
content
Wangen Wei
2017-04-25
Modified
V1.3
Zhang Yaowen
2017-05-04
Add connect methodofthe
one key upgrade
V1.4
Zhang Yaowen
2017-05-24
Modify the method of
power on/off
1.5. Abbreviations
Table 2：Abbreviations and description
Abbreviations
Description
BER
Bit Error Rate
EGPRS
Enhanced General Packet Radio Service
NB-IoT
Narrow Band-Internet Of Thing
eMTC
Extended Coverage-GSM
BTS
Base Transceiver Station
PCI
Peripheral Component Interconnect
CS
Circuit Switched (CS) domain
CSD
Circuit Switched Data
DCE
Data communication equipment
DTE
Data terminal equipment
DTR
Data Terminal Ready
EDGE
Enhanced Data rates for GSM Evolution
EFR
Enhanced Full Rate
EGSM
Enhanced GSM
EMC
Electromagnetic Compatibility
ESD
Electrostatic Discharge
FR
Frame Relay
GMSK
Gaussian Minimum Shift Keying
GPIO
General Purpose Input Output
GPRS
General Packet Radio Service