Modem GSM 3.75G/HSPA+ ZTE MF691
| Interface to PC | High Speed USB 2.0 |
| 2G GPRS Support | Available, with Quad Band EDGE/GPRS : 850, 900, 1800, 1900 MHz |
| 2.5G EDGE Support | Available, 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, Micro SD (Separately Sold) |
| Zero CD Technology | Available |
| Antenna System | Miniature Internal Antenna Connection |
| LED Indicator | Available |
| O/S Compability | PC Windows 2000/XP/Vista/7 and Mac OS X |
| Other Features | Rotary and Swivel USB Connector |
| Dimension (WHD) | 85(L) x 28(W) x 12(H) mm |
| Weight | 33 grams |
| Alnect Care Warranty | 30 Hari |
| Standard Warranty | 30 Hari |
| Manufacturer website | http://wwwen.zte.com.cn/en/ |
