In today’s always-connected world, reliable indoor cellular coverage is no longer optional. You need a cellular DAS solution. Employees expect their phones to work everywhere. Tenants demand seamless connectivity. Operations teams rely on mobile apps, IoT devices, and cloud services that simply cannot tolerate dead zones.
That’s why leading organizations are investing in an in-building enterprise cellular DAS solution—purpose-built infrastructure designed to deliver consistent, high-quality cellular coverage across large, complex facilities. And when it comes to enterprise-grade performance, intelligence, and scalability, Nextivity sets the industry standard with the CEL-FI QUATRA family of intelligent DAS signal boosters.
What Is an In-Building Enterprise Cellular DAS Solution?
An in-building enterprise cellular DAS solution is a system that captures outdoor cellular signals, amplifies them intelligently, and redistributes them throughout a building to eliminate indoor coverage gaps. Unlike consumer boosters or legacy repeaters, enterprise solutions are engineered for:
- Large square footage and multi-floor buildings
- High user density and heavy data usage
- Mission-critical reliability and security
- Multi-carrier and multi-band operation
These solutions are commonly deployed in offices, hospitals, warehouses, campuses, hotels, retail centers, and mixed-use developments—anywhere indoor connectivity directly impacts productivity, safety, and revenue.
Why Traditional Approaches Fall Short
Many buildings still rely on outdated or improvised connectivity solutions:
- Macro networks that simply can’t penetrate modern construction materials
- Passive DAS systems that are complex, expensive, and difficult to scale
- Small cells that add operational overhead and carrier dependency
The result? Inconsistent coverage, poor call quality, dropped connections, and frustrated occupants.
A modern in-building enterprise cellular DAS solution must do more—adapt in real time, optimize performance automatically, and scale as demands grow.
CEL-FI QUATRA Systems: A Smarter Cellular Architecture for Enterprises
The CEL-FI QUATRA family was purpose-built to redefine what an in-building enterprise cellular DAS solution can be. Instead of static amplification, QUATRA uses intelligent signal processing to deliver optimal coverage—automatically and continuously.
CEL-FI QUATRA 4000c / CEL-FI QUATRA 4000e
Designed for large commercial buildings, campuses, and enterprise environments, QUATRA 4000c/e systems provide:
- Multi-operator cellular coverage
- Support for 5G and private networking
- A powerful platform to Do More with DAS, including IoT and sensor integration
- Scalable architecture for complex facilities
These systems are ideal for office towers, hospitals, airports, convention centers, and large mixed-use developments.
CEL-FI QUATRA 100M
The QUATRA 100M is a fiber-based, single-operator DAS solution built for speed and performance. It features:
- Ultra-fast throughput and low latency
- Extended 5G coverage over long distances
- Support for Private LTE and Private 5G networks
- Ideal performance for factories, warehouses, hospitals, hotels, office buildings, and mission-critical environments
This solution is perfect for organizations that require high-performance cellular infrastructure with future-ready flexibility.
CEL-FI QUATRA EVO
QUATRA EVO is a flexible DAS solution supporting one or two operators, designed for mid-size commercial buildings that still demand enterprise-grade performance. It delivers:
- Intelligent signal amplification
- Reliable indoor coverage without complexity
- A scalable path as building needs evolve
Key Advantages of the CEL-FI QUATRA Family Systems
Enterprise-Grade Performance
High output power ensures deep indoor penetration and consistent performance across large footprints, from dense office environments to expansive industrial facilities.
Intelligent Signal Processing
Unlike conventional systems, QUATRA systems continuously monitor and adjust signal levels in real time, maximizing performance while protecting the macro network.
Scalable, Modular Design
Start with a single zone or floor and expand as needed. QUATRA systems can grow with your building, your tenants, and your business.
Multi-Carrier Support
A single system can support multiple operators, simplifying deployment while ensuring connectivity for everyone inside the building.
Efficient Deployment and Management
Software-driven configuration and remote management tools reduce installation complexity and ongoing operational costs.
Designed for Real-World Enterprise Environments
Every enterprise environment has unique challenges—and CEL-FI QUATRA systems are designed to handle them all:
- Corporate offices: Enable mobile-first workflows and hybrid work
- Healthcare facilities: Support critical communications and clinical mobility
- Warehouses and Logistics: Keep scanners, tablets, and IoT devices connected
- Retail and Hospitality: Improve customer experience and staff efficiency
- Campuses and Mixed-Use buildings: Deliver consistent coverage at scale
With QUATRA deployments, connectivity becomes an asset—not a constant problem to manage.
Do More with DAS
Modern enterprises need more than coverage—they need intelligence, flexibility, and confidence that their infrastructure is future-ready. CEL-FI QUATRA systems empower organizations to Do More with DAS by combining enterprise-class hardware with advanced software, enabling DAS infrastructure to support IoT sensing and private 5G.
The result is an in-building enterprise cellular DAS solution that elevates DAS into a core platform for modern enterprise operations.
The Future of In-Building Enterprise Connectivity
As enterprises adopt IoT, private LTE/5G, smart building platforms, and mobile-centric operations, indoor cellular infrastructure must evolve. Static, one-size-fits-all systems simply can’t keep up.
The CEL-FI QUATRA family represents the next generation of in-building enterprise cellular DAS solutions—intelligent, scalable, and built for the realities of modern buildings.
If your organization is ready to eliminate dead zones, simplify deployments, and deliver exceptional indoor connectivity, it’s time to look beyond legacy approaches—and unlock what’s possible with CEL-FI QUATRA in-building enterprise cellular DAS solutions.
