SEW290 WCDMA Module
9
IMEI
International Mobile Equipment
ISO
International Standards Organization
ITU
International Telecommunications
LCD
Liquid Crystal Display
LED
Light Emitting Diode
MCU
Machine Control Unit
MMI
Man Machine Interface
MS
Mobile Station
PCB
Printed Circuit Board
PCL
Power Control Level
PCS
Personal Communication System
PDU
Protocol Data Unit
PLL
Phase Locked Loop
PPP
Point-to-point protocol
RAM
Random Access Memory
RF
Radio Frequency
ROM
Read-only Memory
RMS
Root Mean Square
RTC
Real Time Clock
SIM
Subscriber Identification Module
SMS
Short Message Service
SRAM
Static Random Access Memory
TA
Terminal adapter
TDMA
Time Division Multiple Access
TE
Terminal Equipment also referred it as
TIS
Total Isotropic Sensitivity
UART
Universal asynchronous
UIM
User Identifier Management
UMTS
Universal Mobile Telecommunications
USB
Universal Serial Bus
VSWR
Voltage Standing Wave Ratio
WCDMA
Wide band Code Division Multiple
2
Module Introduction
Please refer to Figure 2-1 for SEW290 module’s principle diagram and Figure 2-2 SEW290 Module’s
application diagram