Modem GSM 3G/HSPA+ Huawei E3131 Logo
| Interface to PC | High Speed USB 2.0 |
| 2G GPRS Support | Yes with Quad Band EDGE/GPRS : 850, 900, 1800, 1900 MHz |
| 2.5G EDGE Support | Yes with Quad Band EDGE/GPRS : 850, 900, 1800, 1900 MHz |
| 3G UMTS Support | Available, with Tri Band UMTS/HSDPA : 850, 1900, 2100 MHz |
| 3.5G HSDPA Support | Available, with Tri Band UMTS/HSDPA : 850, 1900, 2100 MHz |
| 3.75G HSUPA Support | Available, with Single-Band WCDMA/HSUPA/HSPA+ : 2100 MHz |
| 4G LTE Support | Not Available |
| GPRS/2G Downlink Speed | Up to 115 Kbps |
| EDGE/2.5G Downlink Speed | Up to 236 Kbps |
| UMTS/3G Downlink Speed | Up to 384 Kpbs |
| HSDPA/3.5G Downlink Speed | Up to 3.6Mbps (WCDMA), Up to 7.2Mbps (HSDPA), Up to 14.7 Mpbs (HSDPA+) |
| HSPA+/3.75G Downlink Speed | Up to 21.6Mbps (HSPA+) |
| LTE/4G Downlink Speed | Not Available |
| SMS Support | Available |
| SIM Card Support | SIM (6 Pin) Standard and USIM Compatible |
| MicroSD Slot | Available, Support up to 32GB (Micro SD Separately Sold) |
| Zero CD Technology | Available with Software |
| Antenna System | Internal Antenna + External Antenna Slot |
| LED Indicator | Available |
| O/S Compability | Microsoft Windows XP/Vista/7/8, MAC OS X 10.5 or Later |
| Dimension (WHD) | 84.2 x 27.0 x 8 mm |
| Alnect Care Warranty | 30 Hari |
| Standard Warranty | 30 Hari |
| Manufacturer website | http://www.huawei.com/ |
