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Self-Configuring 5G NR Cellular Coverage Solution

Available in Asia, EMEA and Oceania

Bringing the power of the macro 5G network indoors, CEL-FI GO G51 solves coverage challenges for the shorter range of mid-band 5G NR. The system delivers industry-leading signal gain up to 100 dB to overcome mid-band 5G NR coverage challenges that no other solution can. In addition to unmatched performance, GO G51 is compact, easy-to-use, and does not require manual configuration, making it easier than ever before for building owners to equip their buildings with 5G connectivity and ensure better voice quality, 5G data speeds, and fewer dropped calls. GO G51 is perfect for small- to medium-sized buildings, operator approved, unconditionally network safe, and offers the flexibility to support various 2G/3G/4G and 5G cellular networks.

5G NR Coverage
Supports mid-band (3.5 GHz) with 100 MHz channel bandwidth

Set up without any testing or manual configuration

3GPP Compliance
Release 17 NR repeater standard (TS 38.106 Rel 17)

Network Flexibility
Dual-band relay for 2G, 3G, 4G,
and 5G cellular networks

Best Performance
Latest 4th generation Nextivity proprietary IntelliBoost chip

Industry-Leading Signal Gain
Up to 100 dB solves coverage challenges other solutions can’t

Network Safe
Operator Approved with
No Noise Guarantee

Nextivity WAVE
Monitoring and management through WAVE Portal and App

GO G51 paired with CEL-FI antennas provides the best solution for optimizing performance and streamlining installation.

GO solutions are perfect for:

  • Government buildings
  • Agricultural settings
  • Parking garages
  • IoT and M2M (machine to machine)
  • Small manufacturing operations
  • Business in single / multi-level commercial properties
  • Remote or rural locations
  • Large homes

Combined with either CEL-FI Omni Dome Antenna(s) for ceiling mounting or CEL-FI Wideband Panel Antenna(s) for wall mounting, the CEL-FI GO G51 and CEL-FI Wideband Directional Antenna is the perfect in-building, remote, and IoT solution. Additional server antennas are available for venues with more floors or dense interior wall, while the higher gain LPDA-R antenna is available for sites with weak outdoor signals

Quick Installation

Advanced Installations

1 Omni Antenna
2 Omni Antennas
4 Omni Antennas

Flexibility at your fingertips

Operator Switching

Selecting your network operator is easy. Just download the Nextivity WAVE app and select your Mobile Network Operator/Carrier from the Settings page. (Country Dependent)

Tech Specs

In addition to two models that support unique band sets, CEL-FI GO G51 is available in three kit variations. Use the tables below to compare the G51 models and see what’s included in each kit.

BandsModel #Kit #
n78 and 1/3/5/7/8/20G51-ME-001, -002, -003
n78 and 1/3/5/7/8/28LG51-LE-001, -002, -003

Kit #

Kit includes

  • GO G51 Unit
  • Donor Antenna
  • Server Antenna
  • 10 m RG58 Cable
  • AC Adapter
  • Mounting Hardware


  • GO G51 Unit
  • Donor Antenna
  • Server Antenna
  • 10 m LMR-195 Cable
  • AC Adapter
  • Mounting Hardware


  • GO G51 Unit
  • Power Adaptor
  • Mounting Hardware


Quick Start Guide

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