![Huawei E166 Manual Download Page 3](http://html.mh-extra.com/html/huawei/e166/e166_manual_168713003.webp)
3
Getting to Know Your E166
The following figure shows the appearance of the E166. It is only for your
reference. The actual product may differ.
1
3
4
5
2
6
n
USB Interface
It connects the E166 to a computer.
o
SIM/USIM Card Slot
It is where you insert the subscriber identity module/UMTS subscriber identity