CEL-FI QUATRA 4000c: The Game-Changing Hybrid DAS Revolution

The wireless landscape is evolving at breakneck speed, and the demand for robust in-building solutions has never been greater. The CEL-FI QUATRA 4000c delivers a transformative approach to wireless connectivity, empowering organizations to address seamless coverage and future-proof their operations for Industry 4.0’s data-driven world. Previously, businesses faced a difficult choice between public cellular coverage and private networking—until now.

Enter the CEL-FI QUATRA 4000c from Nextivity, available exclusively through MCA’s In-Building Wireless Solutions team. This groundbreaking platform represents the industry’s first neutral host active DAS hybrid that seamlessly integrates public cellular coverage with private networking capabilities. The result? A single, unified solution that eliminates coverage gaps while positioning your organization for the connected future.

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Breaking Down Communication Silos

The CEL-FI QUATRA 4000c shatters the traditional boundaries between public and private wireless networks. This revolutionary platform delivers reliable cellular coverage for AT&T, Verizon, and T-Mobile while simultaneously supporting CBRS private networking through the same infrastructure.

Unlike conventional DAS systems that require separate installations for different network types, the QUATRA 4000c’s neutral host architecture means one platform serves multiple operators and network types. Organizations can eliminate duplicate infrastructure costs while future-proofing their wireless investment.

Powered by IntelliBoost® Technology

At the heart of every QUATRA 4000c system lies Nextivity’s proprietary IntelliBoost® digital signal processing chip. This advanced technology delivers real-time performance optimization with an industry-leading 100 dB maximum gain—the highest available in today’s market.

The IntelliBoost chip ensures enterprise-grade echo cancellation (30 dB minimum) and maintains a noise figure of just 7 dB maximum across all bands. This translates to crystal-clear voice calls, lightning-fast data speeds, and reliable connectivity throughout your facility.

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Comprehensive Technical Capabilities

Multi-Carrier Public Cellular Coverage

The QUATRA 4000c supports up to seven relay bands simultaneously, covering all major carrier frequencies:

Standard Bands:

• Band 2 (1930-1990 DL / 1850-1910 UL): 5G/4G with 20 MHz bandwidth
• Band 4 (2110-2155 DL / 1710-1755 UL): 5G/4G with 20 MHz bandwidth
• Band 5 (869-894 DL / 824-849 UL): 5G/4G/HSPA with 20 MHz bandwidth (AT&T only)
• Band 12 (729-746 DL / 699-716 UL): 5G/4G with 10 MHz bandwidth (AT&T & T-Mobile)
• Band 13 (746-756 DL / 777-787 UL): 5G/4G with 10 MHz bandwidth (Verizon only)
• Band 25 (1930-1995 DL / 1850-1915 UL): 5G/4G with 20 MHz bandwidth

Industrial Upgrade Bands:

• Band 30 (2350-2360 DL / 2305-2315 UL): 5G/4G with 10 MHz bandwidth (AT&T only)
• Band 71 (617-652 DL / 663-698 UL): 5G/4G with 20 MHz bandwidth (T-Mobile only)

CBRS Private Networking

The dedicated PVT port unlocks Band 48 (3550-3700 MHz) for private LTE/5G distribution. With 20 dBm maximum downlink power and 22 dBm uplink power, the system delivers exceptional performance for private network applications.

This capability transforms the QUATRA 4000c into a comprehensive platform for Industry 4.0 initiatives, supporting IoT sensors, automation systems, and real-time data analytics with the security and control of a private network.

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Scalable Architecture Built for Growth

Network Unit (NU) Specifications

The heart of every QUATRA 4000c installation, the Network Unit delivers enterprise-grade performance:

Coverage Unit (CU) Design

Each Coverage Unit extends coverage throughout your facility:

Technical Specifications:

• N-Type (f) connector for server antennas
• Dual RJ-45 connectivity to Network Unit
• Power-over-Ethernet (PoE+) eliminates separate power runs
• Dimensions: 11.3 × 10.9 × 2.2 inches, 9.9 pounds
• Wall or ceiling mounting options available

Expansion Capabilities

The QUATRA 4000c’s modular design grows with your needs:

• Standard Configuration: Up to 6 Coverage Units per Network Unit using category cable runs up to 328 feet (100 meters) with Cat5e, or 492 feet (150 meters) with Cat6a 23 AWG.
• Extended Range: The CEL-FI QUATRA Range Extender doubles these distances to 656 feet (200 meters) with Cat5e or 984 feet (300 meters) with Cat6a.
• Fiber Expansion: The optional Fiber Hub (Model Q40-1234FNU) supports an additional 6 Coverage Units, enabling a total of 12 CUs per Network Unit. Fiber connections extend coverage up to 2 kilometers (1.24 miles) from the NU while maintaining signal quality throughout the system.

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Advanced Management and Monitoring

WAVE Portal Cloud Management

The Nextivity WAVE Portal revolutionizes system management with comprehensive cloud-based monitoring and configuration:

• Real-Time Performance Analytics:
  • Live signal strength monitoring across all bands
  • Coverage unit status and health indicators
  • Historical performance trending and reporting
  • Automatic software updates and system optimization
• Remote Configuration:
  • Band selection and power level adjustments
  • System parameter tuning without site visits
  • Multi-site management from a single dashboard
  • Proactive alerting for maintenance needs
• Built-in Connectivity:
  • The integrated cellular modem with included nano SIM provides one year of free service for ALMS (Automated Link Management System) and WAVE Portal connectivity, ensuring seamless remote management from day one.

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Industry 4.0 and Private Networking Benefits

Enhanced Security Architecture

Private networking through the QUATRA 4000c delivers enterprise-grade security:

• Encrypted Communications: All private network traffic uses advanced encryption protocols
• Network Isolation: Private data remains separate from public cellular networks
• Authentication Controls: Granular access control for connected devices and users
• Compliance Support: Meets stringent industry security standards and regulations

Superior Performance Characteristics

Private networks offer significant advantages over traditional Wi-Fi or public cellular:

• Reduced Latency: Direct network paths minimize delay for real-time applications
• Guaranteed Bandwidth: Dedicated spectrum ensures consistent performance
• Eliminated Congestion: Private networks avoid interference from public traffic
• Quality of Service: Prioritize critical applications and data flows

Complete Operational Control

Organizations gain unprecedented control over their wireless infrastructure:

• Custom Network Configuration: Tailor network parameters to specific requirements
• Centralized Management: Single platform controls both public and private networks
• Flexible Device Policies: Implement role-based access and usage controls
• Cost Optimization: Reduce operational expenses through simplified management

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Revolutionary Safety Integration

SMART SERVER ANTENNA Technology

The QUATRA 4000c supports Nextivity’s patented SMART SERVER ANTENNA, which transforms your DAS infrastructure into an intelligent safety sensor network. This breakthrough technology integrates AI-driven acoustic gunshot detection directly into the coverage antennas.

When deployed, these smart antennas continuously monitor the environment and can instantly detect acoustic signatures associated with gunfire. The system processes this information through an Edge Server, which can automatically trigger emergency protocols, send SMS alerts, or place direct 911 calls.

This integration means organizations can enhance their safety posture without additional infrastructure investments, leveraging their existing DAS network for critical security functions.

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Installation Excellence and Speed to Market

Simplified Category Cable Architecture

The QUATRA 4000c’s category cable design revolutionizes installation timelines:

• Traditional DAS: Months of complex fiber and coaxial cable installations
• QUATRA 4000c: Days of straightforward category cable runs with Power-over-Ethernet

This dramatic reduction in installation complexity translates to lower costs, faster deployments, and minimal business disruption. Standard networking technicians can handle most installations without specialized RF expertise.

Flexible Signal Source Options

The system accommodates various signal source configurations:

• Off-Air Donor Antennas: Traditional rooftop or exterior antennas capture carrier signals
• Small Cell Integration: Direct connection to carrier small cells for guaranteed signal quality
• Hybrid Configurations: Combine multiple signal sources for optimal coverage

This flexibility ensures the QUATRA 4000c works in virtually any environment, from urban high-rises with strong outdoor signals to rural facilities requiring small cell support.

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Comprehensive Use Case Applications

Enterprise and Corporate Buildings

Modern office buildings demand seamless connectivity for employees, visitors, and IoT systems:

• Multi-Carrier Coverage: Ensures all users have strong signals regardless of carrier
• Private Network Support: Secure connectivity for corporate IoT and automation
• Meeting Room Excellence: Eliminates dropped calls and slow data during critical meetings
• Visitor Experience: Provides reliable connectivity without network access concerns

Healthcare and Medical Facilities

Healthcare environments require mission-critical communications and private data networks:

• Clinical Communications: Reliable connectivity for medical staff and emergency situations
• IoT Medical Devices: Private network support for patient monitoring and medical equipment
• HIPAA Compliance: Private networking helps meet strict healthcare data requirements
• Emergency Preparedness: Ensures communications remain operational during critical situations

Manufacturing and Industrial Facilities

Industry 4.0 transformation depends on robust wireless infrastructure:

• Sensor Networks: Private connectivity for thousands of IoT sensors and monitoring devices
• Automation Systems: Low-latency communications for robotic and automated processes
• Safety Systems: Integration with emergency detection and response systems
• Operational Efficiency: Real-time data collection and analysis capabilities

Educational Institutions

Schools, colleges, and universities need comprehensive connectivity solutions:

• Campus-Wide Coverage: Reliable service throughout buildings and outdoor areas
• BYOD Support: Seamless connectivity for student and faculty devices
• Educational Technology: Support for digital learning platforms and classroom technology
• Emergency Communications: Critical safety communications during emergencies

Utilities and Smart Infrastructure

Utility companies and smart city initiatives require secure, reliable wireless networks:

• Smart Grid Communications: Private networking for utility monitoring and control systems
• Remote Monitoring: Connectivity for distributed sensors and monitoring equipment
• Emergency Response: Reliable communications during outages and emergency situations
• Regulatory Compliance: Private networks help meet utility industry security requirements

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Why Choose MCA and Nextivity

Proven Partnership Excellence

MCA’s partnership with Nextivity brings together industry-leading technology with unmatched deployment expertise. This collaboration delivers:

• End-to-End Solutions: From initial assessment through ongoing support, MCA handles every aspect of your wireless infrastructure project.
• Integration Expertise: Our teams seamlessly integrate the QUATRA 4000c with existing security systems, IoT platforms, and network infrastructure.
• Flexible Service Models: Choose from design-build services, maintenance contracts, or comprehensive managed services to match your organizational needs.
• Nationwide Support: MCA’s extensive service network ensures local support regardless of your location.

Carrier Approval and Network Safety

The QUATRA 4000c carries approvals from over 200 mobile network operators globally, including all major US carriers. Nextivity’s unconditional network safety guarantee means the system will never introduce noise or interference into carrier networks.

This carrier approval eliminates regulatory concerns and ensures seamless integration with existing cellular infrastructure. Organizations can deploy with confidence, knowing their investment is fully supported by carrier partners.

Comprehensive Product Portfolio

While the QUATRA 4000c represents the cutting edge of converged wireless solutions, MCA offers a complete range of in-building wireless systems to meet diverse requirements and budgets:

• Traditional DAS Solutions: For large-scale deployments requiring maximum capacity
• Small Cell Systems: Targeted coverage solutions for specific areas or applications
• Public Safety DAS (ERCES): Specialized solutions for first responder communications
• IoT Connectivity Platforms: Dedicated networks for Internet of Things applications

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Technical Specifications Summary

System Performance

• Maximum Gain: 100 dB across all supported bands
• Echo Cancellation: 30 dB minimum enterprise-grade performance
• Noise Figure: 7 dB maximum (8 dB for Band 13)
• Return Loss: -8 dB maximum
• RF Impedance: 50 Ω across all ports

Compliance and Certifications

• FCC Parts: 15, 20, 22, 24, 27, 90, 96
• UL Listed: Yes
• ISED Approved: Yes (for specified models)
• Operating Environment: 32-104°F, 0-95% non-condensing humidity

Model Numbers and Ordering

• Network Unit: Q44-1M34CNU
• Coverage Unit: Q41-RECU
• Fiber Hub: Q40-1234FNU
• Industrial Model: I44-1234CNU, I41-RECU (enhanced environmental specifications)

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Investment Protection and Future-Readiness

The CEL-FI QUATRA 4000c represents more than a connectivity solution—it’s a strategic platform for digital transformation. The system’s software-defined architecture ensures compatibility with future cellular technologies and standards.

Regular software updates through the WAVE Portal add new features and capabilities without hardware changes. This approach protects your infrastructure investment while ensuring access to the latest wireless innovations.

The converged public-private architecture positions organizations ahead of industry trends, providing immediate benefits while building the foundation for tomorrow’s connected operations.

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About MCA

MCA is one of the largest and most trusted technology integrators in the United States, offering world-class voice, data, and security solutions that enhance the quality, safety, and productivity of customers, operations, and lives.

More than 65,000 customers trust MCA to provide carefully researched solutions for a safe, secure, and more efficient workplace. As your trusted advisor, we reduce the time and effort needed to research, install, and maintain the right solutions to make your workplace better.  

Our team of certified professionals across the United States delivers a full suite of reliable technologies with a service-first approach. The MCA advantage is our extensive service portfolio to support the solution lifecycle from start to finish.