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产品描述:
| Feature | Description |
| Working bands | *GSM/GPRS/EDGE 850/900/1800/1900 (MHz) *HSPA+/HSUPA/HSDPA/WCDMA 2100/1900/900/850 (MHz) |
| Working temperature | *Normal working temperature: –10°C to +55°C *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. |
| Application interface (52pin Mini PCI-E interface) | *One standard Subscriber Identity Module (SIM) card interface (3V or 1.8 V) *USB 2.0 (high speed) *WAKE#: Wake up signal *W_Disable#: for turning on/off the RF signal *LED_WWAN#: Active-low LED signal indicating the state of the card *Power Interface |
| SMS | *New message alert, receiving and sending text messages *Management of text messages: read messages, delete messages, storage status, and message list *Support for the protocol data unit (PDU) mode |
| Data services | *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 *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) |