Solving cellular coverage challenges for enterprise environments, CEL-FI QUATRA 4000e is a multi-carrier DAS that offers uniform, high-quality cellular signal throughout any building. As an all-digital solution, QUATRA 4000e utilizes category cabling for RF and Power-over-Ethernet architecture to deliver industry-leading signal gain and scalability. In addition to unmatched performance, this cost-effective, carrier-grade system offers fiber expansion capabilities and can be installed within days. QUATRA 4000e is carrier approved and guaranteed network safe.