品牌： 华为 型号： EM820W 信息传送内容： 都可以
支持网络： WCDMA/GSM 频段： 11（MHz） 发射功率： 11（W）
短信息模式： 都可以 外形尺寸： 50.95 mm × 30 mm × 4.5 mm（mm）
华为2G/3G模块一级代理：深圳市中数蓝鹰科技有限公司
蔡芸芸 女士
手机：086-13751193517
电话：086-755-86316500-813
QQ：1826771212
地址：深圳市南山区科技园桑达科技大厦12楼1201-1205室
Feature Description
Working bands
GSM/GPRS/EDGE 850/900/1800/1900 (MHz)
HSPA+/HSUPA/HSDPA/WCDMA 2100/1900/900/850 (MHz)
Normal working temperature: –10°C to +55°C
Working
temperature Extreme working temperatures: –20°C to –10°C and +55°C to
+70°C
Ambient
temperature for
storage
–40°C to 85°C
Power voltage 3.3 V±9 %(3.3 V is recommended)
AT commands See the HUAWEI EM820W HSPA+ PC Embedded Module
Software Guide Specification.
One standard Subscriber Identity Module (SIM) card interface (3
V or 1.8 V)
USB 2.0 (high speed)
Application
interface (52pin
Mini PCI-E
interface)
WAKE#: Wake up signal
Feature Description
W_Disable#: for turning on/off the RF signal.
LED_WWAN#: Active-low LED signal indicating the state of the
card
Power Interface
New message alert, receiving and sending text messages
Management of text messages: read messages, delete
SMS messages, storage status, and message list
Support for the protocol data unit (PDU) mode
GSM CS: 9.6/14.4 kbps
GPRS/EDGE: Multi-slot Class 12, Class B
WCDMA CS: UL 64kbps/DL 64kbps
WCDMA/HSDPA PS: UL384kbps/DL3.6Mbps, HSDPA Category
6, 8, 9, 10, 12, 14
Data services
HSPA+ Rel7
Physical
features
Dimensions (L × W × H): 50.95 mm × 30 mm × 4.5 mm
Weight: < 15 g
Certification
information
Restriction of the use of certain Hazardous Substances (RoHS),
European Conformity (CE), Federal Communications
Commission (FCC)
