Description Nextivity CEL-FI QUATRA is an active DAS hybrid solution for delivering high quality in-building cellar coverage in middleprise venues. It combines the best of active DAS and the Nextivity CEL-FI technologies that have been widely adopted by carriers around the world. It operates in off-air mode or can be integrated with carrier small cell equipment and operated in distributed small cell mode, creating a Supercell. Nextivity CEL-FI QUATRA can be configured with components, for single or multi-carrier environments
