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华为3G高速模块 WCDMA（联通用） EM820资料 Table 2-1 Feature 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 HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Overall Description Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 3 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 深圳市中数蓝鹰科技有限公司 联系人： 罗先生 电 话： +86-755-86316500-827 手 机： 传 真： +86-755-26457443 E-mail : Q 地 址： 中国 广东深圳市南山区 科技园桑达科技大楼12楼1201-1205室 公司主页
