Funkwerk R1200wu DSL-Router ISDN-Backup. Modulation: DSSS, OFDM, Bandwidth: 2.4 GHz. DSL connection type: ADSL. Management protocols: SNMP, Supported network protocols: PPP, PPPoE, VoIP protocols: SIP. Authentication method: RADIUS, TACACS+. Flash memory: 8 MB, Internal memory: 32 MB