Used Cisco uBR7200 Series -
UBR-MC11C Cable Line Card

About the Cisco UBR7200 Series: "Two- to four-slot broadband, carrier-class routers. Designed for cable operators and service providers, this series connects residential subscribers for high-speed data, broadband, and IP telephony" (Cisco - A Beginner's Guide Third Edition by Velte & Velte).

Part # UBR-MC11C

Product Description: The Cisco uBR-MC11C supports 256 QAM at 40 Mbps downstream and 16 QAM at 5 Mbps upstream default data rates. The Cisco uBR-MC11C supports all DOCSIS upstream channel widths and the card output is +42 dBmV +/- 2 dB.