It holds a Subscriber Identity Module (SIM)/Universal Subscriber Identity Module (USIM) card. Cyan, solid: The USB Stick is connected to a 3G+ network.Blue, solid: The USB Stick is connected to a 3G network.Green, solid: The USB Stick is connected to a 2G network.Blue, blinking once every 3s: The USB Stick is registering with a 3G/3G+ network.Green, blinking once every 3s: The USB Stick is registering with a 2G network.
It indicates the status of the USB Stick. You can tie the cap and the USB Stick together by threading a strap through the strap holes, so that the cap will not be easily lost.
The following figure shows the appearance of the USB Stick.
