Rock Communications, 377 Rubin Center Dr, Ste 121, Fort Mill, SC 29708, US

Conterra Ultra Broadband, headquartered in Charlotte, N.C., is a national provider of facilities-based broadband services for schools, wireless carriers and select enterprises. As a licensed FCC Common Carrier, the company provides microwave and fiber-based, high-speed broadband connections. It also provides wide area network solutions to public schools, libraries, health care institutions, business organizations, administrative sites and carrier customers primarily in underserved communities. Conterra carrier-class broadband and network services use an Internet protocol-based Ethernet architecture to support data, voice and video simultaneously in a converged environment and meet Quality of Service (QoS) standards. Privately owned, Conterra is a part of Vanguard Cellular Systems, which is one of the leading independent cellular companies in the United States. Founded in 1982, Vanguard Cellular Systems designs, builds and operates its own point-to-point microwave transport system to support wireless voice and data traffic within its cellular networks throughout the country.

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