User's Manual

WM620 Hardware User Guide V1.1
All rights reserved by Shenzhen Neoway Technology Co., Ltd. Page 2
1 Features and Description
WM620 is a WCDMA module supporting multiple modes of HSDPA/UMTS/EDGE/GPRS/GSM. The HSDPA
supports 3.6Mbps downlink data rate and 384Kbps uplink data rate. WM620 provides high-quality data and
voice communication, SMS and other functions, widely applied to various industrial and commercial areas.
WM620 is SMT module in LCC compact package. It can be easily adapted to standard Mini PCI-E Interface.
1.1 HW block diagram and block description
Antenna
Switch
RAM&FLASH
A p p l i c a t i o n i n t e r f a c e
Baseband
Controller
32.768KHz
RF
Section
SIM
USB
UART
PCM
Power
Manager
Audio
Section
19.2MHz
1.2 Key Features
Specification
Description
Frequency Band
WM620:
UMTS2100/1900/900/850MHz GSM850/900/1800/1900 MHz
Sensitivity
-106dBm
Max. transmitter power
GSM/GPRS 850M/900MHz：32±1dBm (Power Class 4)
GSM/GPRS 1800MHz/1900MHz：30±0.5dBm (Power Class 1)
WCDMA: 23±1dBm (Power Class 3)
HSDPA:22±1dBm (Power Class 3)
Transient Current
Max 2A
Standby Current (Idle)
<5.0mA
Operating Temperature Range
Normal working temperature: –30°C to + 80°C
Storage Temperature Range
–40°C to + 85°C