FRITZ! ISDN-Controller C2, ISDN, 128, 14.4, 16 MB, CPU with 270 MIPS at 233 MHz FRITZ! ISDN-Controller C2. Protocol d'enllaç de dades: ISDN. Velocitat del mòdem: 128, 14.4. RAM mínima: 16 MB, Processador mínim: CPU with 270 MIPS at 233 MHz