User's Manual

WM620 Hardware User Guide V1.1
All rights reserved by Shenzhen Neoway Technology Co., Ltd. Page 18
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
UART
Universal asynchronous receiver-transmitter
VSWR
Voltage Standing Wave Ratio