The most advanced technology for improving cellular coverage. The Cel-Fi product line is the best solution on the market for addressing the universal challenge of poor cellular coverage in the office, at home, or on the road. Unconditionally network safe, with an exceptional coverage footprint and Carrier approved for 3G/4G/LTE voice and data.

With a veteran Engineering team, Nextivity is leveraging advanced signal processing and intelligent antenna design to create a new market for self-configuring, environmentally-aware indoor/outdoor coverage systems.

Nextivity Inc. develops the award-winning Cel-Fi products that optimize cellular coverage in enterprise, business, residential, and transportation applications. Cel-Fi products are self-configuring, carrier-approved, and unconditionally network safe; leveraging the IntelliBoost chipset to deliver the industry’s highest gain at the lowest cost per square foot. Cel-Fi is authorized by 200 carriers.

Cel-Fi Smart Cellular Solutions solve the problem of dropped calls, poor voice quality and low data throughput caused by a weak cellular signal. Cel-Fi solutions optimize cellular coverage while improving voice quality and data speeds, and are ideal for enterprise environments, small businesses, multi-story homes, remote settings, marine, and vehicles. Cel-Fi is unconditionally network safe, as it prevents interference with mobile operator networks.

Wireless Products
Cel-Fi QUATRA 4000

Cel-Fi QUATRA 4000

Cel-Fi QUATRA 4000 is an Active DAS Hybrid that solves the problem of poor cellular coverage in middleprise buildings.  Cel-Fi QUATRA 4000 delivers a cellular signal that is up to 1000x stronger, utilizing CAT 5e cabling for RF signal distribution and Power over Ethernet. Cel-Fi QUATRA 4000 can be installed in just days, and at a price point that meets the middleprise budget. Cel-Fi QUATRA 4000 is carrier grade, carrier approved, and guaranteed network safe.

  • Carrier Grade, Part 20 Compliant Smart Signal Booster
  • Support for AT&T, Verizon, T-Mobile and Sprint, 2 simultaneous bands per operator
  • Independent donor ports for each operator allows for independent antenna optimization
  • Combined (CU) server port enables driving a serving antenna or Passive DAS segment
  • 100 dB max system gain
  • 140MHz relay bandwidth (6x20MHz + 2x10MHz)
  • Support for up to 6 CU via Cat5e cable
  • N-type RF connectors (donor and server)
  • Optional internal modem for remote management (SIM slot access)
  • Up to 100m distance between NU and CU (extendible to 200m with QRE)
  • 24dBm uplink power per operator per band
  • 17dBm downlink power per operator per band (up to 23dBm total for 4 operators)
Cel-FI COMPASS

Cel-FI COMPASS

The Cel-Fi COMPASS is an RF site utility that enables installers and integrators to install and optimize Cel-Fi equipment. This will include Cel-Fi public safety boosters and the Cel-Fi QUATRA that previously required an internet connection to be commissioned and managed.

  • Handheld RF installation tool
  • Cel-Fi WAVE PRO app is the user-interface
  • Deep 3G/4G LTE service scanner
  • Rugged rubberized exoskeleton
  • FDD/TDD Support
  • Battery-powered
  • SMA connectors
Cel-Fi GO RED

Cel-Fi GO RED

The Cel-Fi GO RED FirstNet Booster delivers cellular coverage in buildings for emergency communications from police, fire, and medical personnel. Cel-Fi GO RED with the Cel-Fi Antennas is the best way to ensure coverage in an emergency situation. Communication is not optional in critical times, rely on equipment that ensures the best coverage. 

  • Boost FirstNet Bands 12 and 14 
  • 4G / LTE Voice and Data 
  • Up to 15,000 ft2 (1,500 m2) of Coverage 
  • Indoor / Outdoor NEMA 4 Rated 
Cel-Fi PRO

Cel-Fi PRO

Cel-Fi PRO improves 3G, 4G, and LTE cellular service by eliminating dead zones and dropped calls. With 100 dB of gain, Cel-Fi PRO will not only improve cellular service across four (4) concurrent bands, it will also reduce your cell phone’s power requirements and extend its battery life. Cel-Fi PRO covers up to 13,000 ft2 (1,200 m2) of indoor space per system. Cel-Fi PRO systems feature an LCD color interface, are fully self-contained and self-configuring, and require no external antennas or wiring. Simply plug it in to boost indoor cellular coverage. 

  • Carrier Grade Smart Signal Booster 
  • Supports WCDMA & LTE (including VoLTE)  
  • Supports up to four (4) separate frequency bands & relays channels simultaneously- enabling support of all operator services 
  • 100dB system gain ensures maximum coverage footprint 
  • Support for Bands 2/4/5/12 
  • Support for Cel-Fi WAVE Management 
Cel-Fi DUO+

Cel-Fi DUO+

The Cel-Fi DUO+ is designed to dramatically improve HD voice and data coverage in up to two bands for 3G/4G/LTE for consumers while significantly improving the network. Good things do come in small packages: With 3G/4G/LTE support, Cel-Fi DUO+ are compatible with the highest data services application available. All new patented echo cancellation algorithms enable Cel-Fi DUO+ to offer even higher signal levels throughout the coverage area than before. 

  • Carrier Grade Smart Signal Booster 
  • Supports LTE (including VoLTE) 
  • Relays any two (2) frequency bands simultaneously 
  • 100dB system gain ensures maximum coverage footprint 
  • Support for Bands 2/4/13  
  • Increased Echo Margin (larger coverage footprint) 
Cel-Fi GO M/Mobile

Cel-Fi GO M/Mobile

The Cel-Fi GO M Smart Signal Booster, the first carrier-class mobile cellular coverage solution to feature industry leading 65 dB system gain and Nextivity’s unconditional network safe guarantee. Cel-Fi GO M leverages artificial intelligence and award-winning Intelliboost signal processing to deliver the industry’s best voice and data wireless performance for mobile subscribers on the move. Cel-Fi GO M is NEMA 4 rated weather resistant and does not interfere with other wireless devices. This multi-carrier solution is ideal for trucks, vehicles, RVs, and boats.

  • 3G / 4G / LTE Voice and Data
  • Multi-User Mobile Coverage
  • Multi-Carrier Support with Carrier Switching
  • Indoor / Outdoor NEMA 4 Rated
  • Network Safe
Cel-Fi GO X/Stationary

Cel-Fi GO X/Stationary

The Cel-Fi GO X Smart Signal Booster, the first carrier-class indoor/outdoor cellular coverage solution to feature industry leading 100 dB system gain and Nextivity’s unconditionally network safe guarantee. Cel-Fi GO X leverages the award-winning Intelliboost signal processing to deliver the industry’s largest coverage footprint with the best voice and data wireless performance. Cel-Fi GO X is NEMA 4 rated weather resistant and does not interfere with other wireless devices. This multi-carrier solution is ideal for use in commercial properties, government buildings, agricultural settings, small manufacturing operations, rural areas, businesses, and large homes.

  • 3G / 4G / LTE Voice and Data
  • Up to 15,000 Sq. Ft. of Coverage
  • Multi-Carrier Support with Carrier Switching
  • Indoor / Outdoor NEMA 4 Rated
  • Network Safe
Cel-Fi QUATRA

Cel-Fi QUATRA

Cel-Fi QUATRA is a scalable in-building enterprise cellular system that is a cost-efficient and easy-to-deploy solution for delivering high-quality signal in venues up to 200,000 sq. ft. It is a hybrid solution that combines the best of active DAS and Smart Booster technologies. It operates in off-air mode or can be integrated with carrier small cell equipment and operated in a distributed small-cell mode, creating a Supercell. 

Cel-Fi QUATRA is self-configuring and self-optimizing distributes RF over Ethernet (RFoE) and leverages Power-over-Ethernet (POE) for ease and accuracy of installation by IT personnel. The system is easy to monitor and manage with the Cel-Fi WAVE Platform. 

  • Scalable active DAS style solution, for up to 200,000 Sq Ft 
  • Easiest-to-deploy and manage with regular IT skills 
  • Lowest installed cost per Sq Ft of coverage 
  • Carrier approved and unconditionally network safe for voice and data 
  • 100 dB Max Gain; signal maximized by AntennaBoost 
  • Self-configuring and self-optimizing 

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