TAX SPECIAL! G51 G41 CEL-FI GO 5G NR 4G 3G Stationary Home House Kits Mobile Phone Signal Booster




EOFY SUPERSALE! Available as Standalone or Antenna Pack!

Choose your Cel-Fi Home Signal Booster for both Calls & Data.


The all-new G41 CEL-FI GO 4 is now ready and approved by all 3 network carriers for sale in Australia and supports 5G NR Low Band. Users can now switch between 3 network carriers with one device (Telstra, Optus and Vodafone). G41 signal boosters are suitable for stationary applications only and should not be used whilst a vehicle is moving/mobile.

G41 CEL-FI GO is the first Australian approved MULTI-CARRIER ready cellular signal booster device that allows the user to switch between TELSTRA, OPTUS or VODAFONE networks via the same device. Previous generation CEL-FI GO products were NETWORK CARRIER specific and could not be used between all 3 carriers. Future-proof your purchase, and get the G41 MULTI-CARRIER ready CEL-FI GO device now! Only one NETWORK CARRIER can be selected and used at any given time.

The G41 CEL-FI GO by NEXTIVITY can now support the following bands in Australia as approved and backed by TELSTRA, OPTUS and VODAFONE. These bands include 700L/ 850/ 900/ 1800/ 2100 and 2600 Mhz. 700Mhz band is not supported on the Vodafone Network.

You no longer have to select 3G or 4G, with the G41 CEL-FI GO, this signal booster device can support two bands at the same time so you can enjoy the best signal reception for your voice and data applications. Users can select any combination of 3G, 4G or 5G as their preferred two bands based on their specific requirement.
Designed to solve cellular coverage issues for indoor environments, the Cel-Fi GO G41 Smart Signal Booster is the most powerful carrier-grade solution available. Providing up to 100 dB gain, GO G41 offers class-leading 3G/4G/5G voice and data performance. GO G41 also supports 5G NR operation for seamless network migration and consistent connectivity. In addition to providing cellular coverage up to 1,500 square meters when configured with the included donor and server antennas, the system can be expanded with outdoor or additional server antennas for an increased coverage footprint. Plus, GO G41 is network safe and the easiest solution to install.


CEL-FI GO G51 Self-Configuring 5G 3.5 GHz (3500 MHz) Mid-Band Cellular Coverage Solution for all 3 Australian Network Carriers.

Introducing the ultimate cellular signal repeater, designed to be fully compatible with Australia's leading carriers, Telstra, Optus, and Vodafone. This state-of-the-art device supports 5G, 4G, and 3G connectivity across their respective networks. What sets it apart is its exclusive approval for use in Australia by all three carriers, making it the one and only 5G Mid & Low Band repeater with an ACMA class exemption. Experience seamless and reliable coverage with this authorized solution for enhancing your cellular signal across these leading networks.

G51 CEL-FI GO Device supports 5G BAND 78 + One Other Cellular Network Band simultaneously

  • BAND 78 @ 3500 MHz 5G Mid-Band
  • + One of the Below Bands Simultaneously
  • BAND 1 @ 2100 MHz Mid-Band 5G  
    • 4G LTE Optus & Vodafone
    • 4G LTE Telstra (Limited Sites)
  • BAND 3 @ 1800 MHz Mid-Band
    • 5G Vodafone
    • 4G LTE Telstra, Optus & Vodafone
  • BAND 5 @ 850 MHz Low-Band
    • 5G Telstra & Vodafone
    • 4G LTE Vodafone
    • 3G Telstra
  • BAND 7 @ 2600 MHz Mid-Band
    • 4G LTE Telstra, Optus & Vodafone
  • BAND 8 @ 900 MHz Low-Band
    • 4G LTE Telstra, Optus & Vodafone
    • 3G Optus & Vodafone
  • BAND 28L @ 700 MHz Low-Band
    • 5G Vodafone
    • 4G LTE Telstra, Optus & Vodafone

The CEL-FI GO G51 outperforms its predecessors in terms of power, delivering up to 27dBm compared to 20dBm for the G41 and 16dBm for the G31. With the right setup and antenna configuration, it can achieve download speeds of up to 570Mbps, ensuring reliable connectivity for voice calls and data on any SIM-enabled cellular device. Why settle for an LTE router that only provides Wi-Fi connectivity when you can enjoy seamless voice calls and data connectivity using your standard phone or SIM-enabled device? Unlike other options, the CEL-FI GO G51 doesn't require any registration or ongoing fees. Simply register it under your name upon initial setup, and then use it free of charge. The device allows your SIM-enabled device to handle the standard fees you are already billed, making it a cost-effective solution. That's right, there are absolutely no fees associated with using the CEL-FI GO G51. It functions as a cellular repeater, capturing and amplifying existing cellular signals up to 100dB, thereby improving cellular coverage in areas with limited or no coverage.

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


  • 44cm BLACKHAWK MINI YAGI WIDE-BAND Stationary Antenna
    • 10dBi High Gain Performance (Wide-Band Long Range)
    • 10M Coaxial Low-Loss Cable with SMA Connector
    • Physical Mounting Pole is NOT Included
  • Single Internal Broadcast Antenna Kit 
    • 1 x 7dBi Universal Ceiling Wall Antenna
    • 1 x 20M Coaxial Low-Loss Cable with SMA Connector
  • Dual Internal Broadcast Antenna Kit for Multi-Floor or Rooms
    • 2 x 7dBi Universal Ceiling Wall Antenna
    • 2 x 20M Coaxial Low-Loss Cable with SMA Connector
    • 1 x Internal Antenna Splitter


This product has been added to your cart