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Nextivity CEL-FI GO G51 4G-5G Building Pack

SKU: WEB-001

Price includes GST


Enhance your cellular experience with Nextivity CEL-FI GO G51: Boost 4G/5G Signals for seamless connectivity in homes and offices. Say goodbye to dropped calls and slow data speeds. This signal booster covers up to 3000 m2, supports 5G 3500 signal, and offers carrier switching. Get reliable connectivity with easy installation and compact design. Invest in improved cellular coverage today!

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 signals. 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.


  • Relays two channels simultaneously:
    1st Relay Channel: 5G 3500 (100MHz)
    2nd Relay Channel: one 3G or 4G band (5/10/15/20MHz)
  • Carrier Switching using WAVE App between Telstra or Optus – one carrier at a time (Vodafone approval pending)
  • Up to 3000 m2 coverage area
  • Voice and Data support on 4G/5G
  • Suited for those in a 5G 3500 coverage area (G41 is 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

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


  • Nextivity CEL-FI GO G51 Stationary Repeater – Switchable between Telstra, Optus, and Vodafone (Pending approval) – (one carrier at a time)
  • Choose your donor antenna:
  • Blackhawk LPDA Antenna 698-4000MHz
  • PTL-240 10m + 6m Coaxial Cable N male to SMA Male
  • 1m Ethernet cable
  • 240v Power Supply



It is important that you select your preferred operator before using GO5 via the WAVE App – Operator Switching Instructions

If you want to utilize this product for a large-scale project or if you’re after any type of bespoke solution; fill out the form below and we will be in contact within 24 hours.

External Antenna

LPDA 698-4000 12/14dBi

Internal Antenna

Wall Mount 698-4000 5/7dBi, Ceiling Dome 698-4000 2/5dBi


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