Nextivity’s Cel-Fi products are built with the revolutionary IntelliBoost processor and WAVE software.

Nextivity solutions deliver industry-leading signal gain with 3x the coverage footprint for voice and data. The systems are unconditionally network safe with a no noise guarantee. Including speed-of-installation tools, Cel-Fi products are available for enterprise, public safety, small businesses, remote settings, residential, marine and vehicles.

Nextivity solutions are the only coverage solutions authorized for use in nearly 100 countries by almost 200 mobile operators. Cel-Fi products cover spaces no one has covered before.

Cel-Fi products are installer friendly, provide optimal coverage and automatically adjust to changing network conditions. Solutions range from DAS to smart signal boosters, all providing the industry’s highest max gain.

The Problem

Coverage signals are inhibited or blocked by trees, hills, building materials and bad weather.

The Cel-Fi Solution

Nextivity has worked with partners to create the Cel-Fi suite of cellular coverage solutions. Starting from the ground up. Nextivity engineered the award winning Intelliboost® chipset as the heart of the highest max gain product available in the world.

Nextivity has innovated at every step of product development, with 28 patents across hardware, software, firmware, antennas, tools and apps. The carrier-grade products are all network safe, optimized for ease of installation and the most powerful solution in their class.

The Cel-Fi Advantage

Carrier Approved

The only signal booster authorized for use in nearly 100 countries by almost 200 mobile network operators.

Installer Friendly

Intelligent and dynamically self-configuring wireless system makes it easier to install.

Exceptional Coverage Footprint

Achieve optimal voice quality and data speeds in spaces ranging from mobile to enterprise.

Unconditionally Network Safe

No interference with mobile networks or other subscribers’ signals.

Best Overall Value and Performance

Delivers the lowest cost per decibel of gain and square footage of coverage.

From Enterprise to Mobile

Ideal for enterprise environments, small businesses, multi-story homes, remote settings, marine or vehicles.

Enterprise Solutions

The most advanced cellular coverage solutions available

  • Performance leadership
  • Ease of install
  • Fastest installation timeline
  • Cel-Fi WAVE compatibility
  • Network safe and carrier grade approved

Award-Winning Solutions for Structures of All Sizes

The Cel-Fi product line features the best solutions available for addressing the universal challenge of poor cellular coverage in enterprise environments. Built for carriers, integrators and IT professionals, the solutions are unconditionally network safe, carrier approved for voice and data, and deliver industry-leading performance across large coverage areas.


CEL-FI QUATRA 4000/4000I

Multi-carrier active DAS hybrid for 3G, 4G and 5G voice and data.

Cel-Fi QUATRA 1000

Single-carrier active DAS hybrid for 3G/4G/5G voice and data.

Cel-Fi QUATRA 2000

Dual-carrier hybrid active DAS for 3G/4G/5G voice and data.

Cel-Fi GO G32

The world’s first all-in-one cellular coverage solution for both indoor/outdoor in stationary and mobile applications.

Public Safety Solutions

The most advanced ERCES, FirstNet and cellular solutions available

  • Performance leadership
  • Ease of install
  • End-to-end monitoring
  • Talk-out and grid testing
  • Carrier grade approved

Uncompromising Coverage in Any Situation

For first responders, reliable communication is a matter of life and death. Cel-Fi public safety and FirstNet solutions combine industry-leading performance with ease of installation and unmatched support to ensure fire, police and medical personnel are connected when communication is critical.



Integrated public safety DAS for LMR and FirstNet QUATRA RED is designed to provide consistent coverage in the most challenging building structures and to guarantee full compliance with the most current fire codes.


0.5W ERCES public safety BDA for small- to mid-size buildings. Ensuring reliable communication for emergency personnel, the Cel-Fi SOLO RED public safety solution is a half-watt emergency radio communication system that delivers best-in-class talk-in

Cel-Fi QUATRA 1000 FN

In-building enterprise cellular system. A hybrid active DAS that solves coverage issues for FirstNet emergency communications.


The evolved smart signal booster that delivers cellular coverage in buildings for FirstNet emergency communications.