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CEL-FI QUATRA EVO Network Unit (FirstNet) — Nextivity SKU I42-36CNU
Official Nextivity Authorized Dealer
Full manufacturer warranty. All products are new, factory-sealed with USA-spec firmware.
PRO Series — SKU: I42-36CNU

CEL-FI QUATRA EVO FirstNet Network Unit

FirstNet Network Unit — Modem + Hub for up to 6 CUs

Price: Contact for Custom Quote

Enterprise pricing varies by building size, carrier requirements, and installation scope. Request a free assessment — we'll design a solution for your specific building.

CEL-FI GO and PRO units are carrier-specific. Select your primary carrier before purchasing.

2-Year Manufacturer Warranty
Free Shipping on $250+
30-Day Returns
Secure Checkout (Stripe)

Public-safety Network Unit for the QUATRA EVO platform. The I42-36CNU is the modem/hub that drives up to six FirstNet Coverage Units (I41-WXCU) over Ethernet, supporting Bands 2/4/5/12/14/25 across an entire facility. Quote-only — band selection, antenna design, and FirstNet authorization are coordinated at design time.

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  • IntelliBoost® QUATRA-class signal processing
  • FirstNet B14 included for AT&T public-safety deployments
  • Cat6A / Ethernet backhaul up to 100 m to the NU
  • PoE++ powered Coverage Unit — single-cable install
  • Hybrid DAS architecture — scale by adding CUs to one NU
  • WAVE remote commissioning + monitoring portal
  • Up to 6 Coverage Units per NU
  • LTE modem onboard
SKU I42-36CNU
Type Network Unit (NU)
Frequency Bands B2/B4/B5/B12/B14/B25
CUs Supported Up to 6
Country of Origin United States
Certifications FCC, FirstNet
SKU I42-36CNU
Manufacturer Nextivity (CEL-FI)
Authorized Reseller
Official Nextivity / CEL-FI authorized dealer with full warranty support
Free Shipping
Free ground shipping on all orders over $250 to the contiguous US
Expert Support
Licensed low-voltage engineers available for pre-sale consultation
Installation Available
Professional installation by JBT certified technicians across the United States