DVB(Dreambox 500S)

1)250 MHz IBM PowerPC Processor (350 Mips) 
2)Linux Operating System 
3)1 x Smartcard-Reader 
4)MPEG2 Hardware decoding 
5)100Mbit full duplex Ethernet Interface 
6)2 LED status 
7)unlimited channel lists for TV/Radio 
8)channel-change time < 1 second 
9)full automatic service scan 
10)supports directly bouquet-lists (indirect unlimited) 
11)supports EPG (electronic program guide) 
12)supports multiple LNB-Switching control (supports DiSEqC) 
13)fully adaptable OSD in many languages (skin-support) 
14)SPDI/F Interface for digital bit stream out (AC-3 / DTS) 
15)1 x Scart-interfaces (fully controlled by software)

Specification of DVB

1,Dreambox DM 500s
2,250 MHz IBM PowerPC Processor (350 Mips)
3,Linux Operating System
4,1 x Smartcard-Reader