Specifications - Huawei Ultra low stick K3771/Windows 7
General
| Height x width x depth | 88 x 27 x 12 mm |
| Weight | 22 g |
Data transfer
| GPRS | Yes (download speeds of up to 171 kbit/s) |
| EDGE | Yes (download speeds of up to 384 kbit/s) |
| 3G (UMTS) | Yes (download speeds of up to 2 Mbit/s) |
| HSDPA | Yes (download speeds of up to 7.2 Mbit/s) |
| HSUPA | Yes (upload speeds of up to 2 Mbit/s) |
| 4G | No |
Band
| 850 Mhz | Yes |
| 900 MHz | Yes |
| 1800 MHz | Yes |
| 1900 MHz | Yes |
| 2100 MHz | Yes |