Nextivity Duo Plus

DUO+ Smart Signal Booster (For Verizon Wireless)

Regardless of the commercial environment, the Cel-Fi DUO+ is designed to dramatically improve cellular voice and data coverage in up to three bands at LTE or XLTE. Experience clear and reliable voice connections within a large coverage area — up to 13,000 square feet. Cel-Fi DUO+ does not require any external antennas, cabling or tools, and set-up takes less than 15 minutes.

As the most powerful cellular booster on the market, the Cel-Fi DUO+ offers an unprecedented 100 dB gain of cellular signal to ensure consistent coverage in any indoor environment. Cel-Fi DUO+ can also be registered and managed with the innovative Wave mobile app.


  • Plug and play, simple installation – no external cables, antennas, wires, or drills needed
  • Integrated antennas
  • End-to-end cellular communication encryption without additional risk of vulnerability
  • Remote software update capability
  • Advanced digital echo-cancellation (>30dB) and channel select filtering algorithms
  • Cel-Fi manages the power levels between the cell tower and user devices


  • Anyone can install the device. No special tools or knowledge required. No external antennas needed. Simply plug-in to power
  • No setup or ongoing maintenance needed, nor reliance upon internet, GPS, or handsets to be registered with the system
  • Users can be assured communications are secure, through the encrypted wireless link
  • Registration, Software Updates, and Engineering application support, with the Wave mobile app
  • Multiple systems can be deployed without concern for mutual interference
  • Real-time adapting capability ensures the best possible user experience, in actual user environments, which are constantly changing, and have a variety of Wi-Fi types and cellular signals present
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  • Operating temperature: 0° to 40°C
  • Storage temperature: -25° to 60°C
  • Relative humidity: 5% to 95%, noncondensing
  • RoHS II 2011/65/EU
  • WEEE (2002/96/EC)
  • ErP 2009/125/EC




  • 12 VDC via external supply (two included)
  • External supply: 100 to 240 VAC, 47 – 63Hz
  • Power consumption less than 15W per unit


  • FCC Parts: 15, 20, 22, 24, 27
  • EN 301 489 -1, 17, 23
  • EN 301 893
  • EN 301 908-1, 11, 15
  • EN 300-328
  • EN 62311
  • UL 62368-1
  • CSA C22.2#62368-1
  • IEC/EN 62368-1
  • 3GPP TS 25.143 Rel.10
  • 3GPP TS 36.143 Rel.10
  • EN 50566/62209-2/62479 (SAR)
  • Bluetooth SIG
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