Owner's Manual

Personal Identity Number. A code that is linked to your SIM card for security. This four-digit code gives you access to the SIM card
and allows you to access your service provider’s network.
Proxy
A firewall mechanism that replaces the IP address of a host on the internal (protected) network with its own IP address for all traffic
passing through it.
PUK Code
Pin Unlock Code. PUK is the code required to unlock a GSM SIM card that has disabled itself after an incorrect PIN code was
entered three times in a row. If an incorrect PUK code is entered 5 to 10 times, the SIM card will permanently block (disable) itself.
SMS
Short Messaging Service. Short text messages of no more than 160 characters sent and received by broadband devices.
TCP/IP
Transmission Control Protocol/Internet Protocol. A protocol for communicating over the Internet.
UMTS
Universal Mobile Telecommunications System. A third generation (3G) mobile communications technology that offers peak data
transmission speeds of up to 2 megabits per second (Mbps). UMTS uses WCDMA technology, and the two terms are often used
interchangeably with each other.
VPN
Virtual Private Network. A way to communicate through a dedicated server securely to a corporate network over the Internet.
WAN
Wide Area Network. A network which uses common carrier-provided lines. Contrasts with LAN.
WCDMA
Wideband Code Division Multiple Access. Based on the GSM technology evolution roadmap, WCDMA supports upload and
download speeds up to 384kbps.
WINS
Windows Internet Naming Service. A system that determines the IP address associated with a particular network computer.