1. The Power button turns the device on and off when pressed and held for 2 seconds. It is also the main means of responding to the prompts on the LCD screen.
   
2. The Mute Switch toggles sound alerts on and off.
   
3. The LCD Screen provides device information and connection status information.
   
4. The MicroUSB port connects the mobile hotspot to your computer or to an AC wall charger via the provided USB cable.
   
5. The External Radio Frequency Antenna connectors allow you to connect the mobile hotspot to additional antennae to improve signal reception in areas with poor signal strength.
   Note: External RF Antennae sold separately.
   
6. The microSD card slot allows for the use of memory expansion cards.
   Note: MicroSD also sold separately. Enterprise variant available with microSD functionality disabled.
   
7. The Lithium ion battery provides up to 5 hours of usage time without an attached power supply. It can be recharged via USB cable from a computer or an AC outlet.
   
8. The SIM card contains your specific AT&T account information. The device will not connect to AT&T Mobile Broadband networks without it present.
   
9. The Reset button allows the device to be reset to its factory defaults manually. Insert a pin-like tool into the pinhole, then hold for 5 seconds.