User's Manual

User manual of 3G SEP EVDO module
Page 7
PCM Pulse Code Modulation
PCS Personal Communication System
PMIC Power management integrated circuit
PWM Pulse Width Modulation
RAM Random Access Memory
RF Radio Frequency
RI Ring Indication
RMS Root Mean Square
RTS Ready To Send
RX Reception
SIM Subscriber Identification Module
SMS Short Message Service
TBC To Be Confirmed
TBD To Be Defined
TCXO Temperature-compensated crystal oscillator
TX Transmission
UART Universal Asynchronous Receiver and Transmitter
UIM User identity module
UMTS Universal Mobile Telecommunications System
USB Universal Serial Bus
USSD Unstructured Supplementary Service Data
WCDMA Wideband Code Division Multiple Access
1.3 CONVENTIONS
Throughout this document, DTE (data terminal equipment) indicates the
equipment which masters and controls the module device UMC-3GSEP by
sending AT commands via its serial interface.
DCE (data communication equipment) indicates the UMC-3GSEP module
device.
1.4 PRODUCT FEATURES OVERVIEW