Sunsea AIoT SimCom SIM7090G User Manual page 75

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
PCS Personal Communication System, also referred to as GSM 1900
RF Radio Frequency
RMS Root Mean Square (value)
RTC Real Time Clock
SIM Subscriber Identification Module
SMS Short Message Service
SMPS Switched-mode power supply
TDMA Time Division Multiple Access
TE Terminal Equipment, also referred to as DTE
TX Transmit Direction
UART Universal Asynchronous Receiver & Transmitter
VSWR Voltage Standing Wave Ratio
SM SIM phonebook
NC Not connect
EDGE Enhanced data rates for GSM evolution
HSDPA High Speed Downlink Packet Access
HSUPA High Speed Uplink Packet Access
ZIF Zero intermediate frequency
WCDMA Wideband Code Division Multiple Access
VCTCXO Voltage control temperature-compensated crystal oscillator
SIM Universal subscriber identity module
UMTS Universal mobile telecommunications system
UART Universal asynchronous receiver transmitter
PSM Power saving mode
LD SIM last dialing phonebook (list of numbers most recently dialed)
MC Mobile Equipment list of unanswered MT calls (missed calls)
ON SIM (or ME) own numbers (MSISDNs) list
RC Mobile Equipment list of received calls
SM SIM phonebook
www.simcom.com
SIM800C-DS User Manual V1.02
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