Specifications

SIM7028 Hardware Design V1.00
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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
NC
Not connect