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CEL-FI GO G51 FirstNet 5G n77 Signal Booster by Nextivity — SKU G51-CE-003
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Full manufacturer warranty. All products are new, factory-sealed with USA-spec firmware.
GO Series — SKU: G51-CE-003

CEL-FI GO G51

5G mmWave & Sub-6 Smart Booster — FirstNet / n77

$1,918.00
✅ In Stock — Ships within 2 business days

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

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The CEL-FI GO G51 is Nextivity's newest GO series smart booster, purpose-built for FirstNet and 5G n77 deployments. Supporting bands B12, B14, B17, and 5G NR n77, the G51 is the go-to solution for public safety facilities, hospitals, and government buildings requiring in-building FirstNet coverage with 5G capability. Powered by IntelliBoost® technology for 100 dB maximum gain with automatic carrier protection.

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  • FirstNet certified — includes Band 14 for public safety priority access
  • 5G NR n77 support — future-ready for mid-band 5G
  • IntelliBoost® 100 dB maximum gain technology
  • Covers up to 15,000 sq ft with strong outdoor signal
  • FCC approved — no carrier permission required
  • BT + LAN configuration for flexible antenna deployment
  • Automatic gain control prevents network interference
  • Ideal for public safety offices, hospitals, and government buildings
Max Gain 100 dB
Coverage Area Up to 15,000 sq ft
Frequency Bands B12, B14, B17, 5G NR n77
Technology 5G NR / 4G LTE
Country of Origin United States
Power Supply AC adapter (C14, see 290N134-010)
Certifications FCC, PTCRB, FirstNet Certified
SKU G51-CE-003
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