With 1 x Smart card-Reader and 100Mbit full duplex Ethernet Interface, it can descramble many encryption systems, such as Viacess, Irdeto, Nagravision,Cryptoworks, etc.Most of all, the ethernet port can enable people share one card simultaneously, though they are in different places, even in different countries.

The following details are for your reference:

Features:
250 MHz IBM PowerPC Processor (350 Mips)
MPEG-2, fully DVB compliant
Linux Operating System
1 x Smart card-Reader
100Mbit full duplex Ethernet Interface
1 x Scart (fully controlled by software)
DiSEqC 1.0/1.2 fully support
SCPC and MCPC receivable from C/Ku band satellite
Software upgrades through RS-232 port
Supports EPG (electronic program guide)
Supports multiple LNB-Switching control (supports DiSEqC)
SPDI/F Interface for digital bit stream out (AC-3 / DTS)
Unlimited channel lists for TV/Radio
Supports directly bouquet-lists (indirect unlimited)
Full automatic service scan
Fully adaptable OSD in many languages (skin-support)