Universal broadband routers are Data-over-Cable Service Interface Specifications (DOCSIS)-based cable modem termination systems (CMTSs) that typically serve as interfaces between a WAN backbone and a hybrid fiber -coaxial (HFC) cable network. Installed at a Community Antenna Television (CATV) head-end facility or distribution hub, the UBR is often located with the following Internet service provider (ISP)-related components:

Ethernet switch
Proxy servers
WAN router
Gatekeeper/gateway equipment for Voice over IP (VoIP) applications
The Ethernet switch is used to reduce traffic on the WAN backbone.

Universal Broadband Router provides a cost-effective, scalable, and industry-proven cable modem termination system (CMTS), optimized for aggregating traffic at the edge of the cable network. Designed for cable operators and service providers, the platform connects residential subscribers via cable modems,
digital set-top boxes, or IP telephony cable modems for high-speed data, broadband entertainment, and IP telephony solutions.

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