Cel-Fi GO G51 Stationary Repeater – 4G and 5G


Introducing the first Cel-Fi repeater with 5G support! Nextivity’s G51 1/3/5/7/8/28L/n78 Stationary Repeater, brings the power of both 4G and 5G indoors, solving coverage challenges for residential and commercial buildings. 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, Australian operator approved, unconditionally network safe, and offers the flexibility to support various 3G/4G and 5G cellular networks.


  • Relays two channels simultaneously:
    1st Relay Channel: 5G 3500 (100MHz)
    2nd Relay Channel: 3G/4G/5G 700L, 850, 900, 1800, 2100, 2600 (5/10/15/20MHz)
  • Carrier Switching using WAVE App betweenTelstra, OptusorVodafone– one carrier at a time
  • Up to 3000 m2 coverage area
  • Voice and Data support on 4G/5G
  • Suited for those in a 5G 3500 coverage area (G41is more suitable for areas outside of a 5G 3500 coverage area as it supports 2 x 4G band relay)
  • Powered by the latest 4th generation Nextivity proprietary IntelliBoost chip, delivering industry-leading and unconditionally network safe performance
  • Establishes network safe uplink power in real-time and automatic uplink muting when no active user equipment is detected
  • Ethernet Port for remote monitoring and management with Nextivity WAVE Portal and WAVE App

The Nextivity Cel-Fi GO G51 is a powerful 4G/5G signal booster designed to improve cellular coverage in large residential and medium sized commercial spaces. Suited to urban areas where a 5G 3500 signal is available to take advantage of 5G data speeds and increased user capacity.

The G51 also supports 4G LTE data speeds, so you can enjoy fast internet connectivity even in areas with weak signal. Plus, with its easy-to-install design and compact size, the G51 is a convenient solution that won’t take up much space in your home or office.

If you’re tired of dropped calls, slow data speeds, and unreliable cellular coverage, the Nextivity G51 is a great investment. With its advanced signal-boosting technology and broad carrier compatibility, it’s sure to improve your cellular experience and keep you connected when you need it most.

Ideal for Boosting Mobile Signal in:

  • Large Homes
  • Single or Multi-Level Commercial Buildings
  • Government Buildings
  • Medical and Nursing Homes
  • Infill 5G coverage for Hotels/Shopping Centres/Hospitals/Conference Centres
  • Underground Parking
  • Factories and Manufacturing
  • Warehouses and Logistics