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Free shipping for orders over $150* excludes cellular boosters & oversized items
Free shipping for orders over $150* excludes cellular boosters & oversized items

Cel-Fi G51 Cellular Coverage Repeater (Celfi) – Telstra, Optus, Vodafone 3G 4G LTE 5G

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Original price $3,995.00
Original price $3,995.00 - Original price $3,995.00
Original price $3,995.00
Current price $3,150.00
$3,150.00 - $3,150.00
Current price $3,150.00

Available now and approved in Australia.

Multi-Carrier Support: Supports Telstra or Optus (supports 1 network during operation, talk to us about combining repeaters to accommodate your coverage or multi-carrier needs).

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

Estimate Delivery Timeframe

Standard shipping: 1 - 10 business days


The Cel-fi GO G51 Smart Signal Repeater is an ENTERPRISE-GRADE and fully approved ACMA / Network Carrier booster for legal use within Australia.

This product is ideal for commercial-grade applications or where voice/data communications are absolutely essential boasting long awaited 5G (3.5 GHz)/4G/3G compatibility with Telstra or Optus.

Increased power output means double footprint coverage (up to 3,000 square metres) compared to Cel-fi 31/32 Go solutions (1,500 square metres). The Go G51 is capable of operating 2 channel bands simultaneously.

*Network signal enhancement is not guaranteed and is entirely dependent on an existing signal in the first place. External and exterior objects may cause changes to your coverage.

  • 5G / 4G / 3G Voice and Data
  • Select your network via WAVE mobile phone application (bluetooth)
  • Up to 35,000 ft2 (1,500 m2) of Coverage (depending on the quality of your source signal and service antenna optioning)
  • Multi-Band Support
  • Indoor / Outdoor IP54 Rated
  • Network Safe
  • Supports Telstra, Optus & Vodafone (Note: only 1 network carrier at a time will be boosted, multiple Cel-fi units may be combined if you wish to support all 3 networks simultaneously)
Recommended For

The Cel-fi GO G51 cellular booster (repeater) is ideal 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
Why CB Radio Wholesalers
  • CB Radio Wholesalers is always striving to offer the best solution to our customers. We take the stress out of your purchase, with our extensive knowledge and resources.
  • We are passionate about keeping your team connected with two way radios!
  • We are 100% Australian owned and operated, serving the customers of Australia for over 10 years.
  • Our business is 100% family owned, allowing us to continue supporting our local community and the Australian Economy.
  • We are happy to continue supporting over 500 loyal customers including Australian small, medium and large businesses up to Government Organisations.
  • We share over 50 years of combined experience in the industry, we’ve worked on a broad range of installations, both small, medium and large. This has given us a unique understanding of the needs of multiple sectors and markets – from consumer to commercial, government and international.
  • We only partner with the highest quality two-way radio manufacturers.
  • We aren’t tied into any specific vendor or platform, so you can be sure you’re getting the very best product and objective advice. You will always have a variety of brands and options for your requirements!
  • We pride ourselves on offering only compliant and approved products and do not support any illegal or non-compliant products. When you talk to our team you can ensure you are getting the right advice to operate within the ACMA Regulatory guidelines.
  • With our extensive industrial and commercial knowledge, we’re always up to date with the latest in two-way technologies. Whether you need a custom solution tailored to your requirements, information or guidance about products, help migrating from analogue to digital or a fully managed service, we’ve got you covered.
  • We are registered with the ARCIA (Australian Radio Communications Industry Association) along with the ITS2573 NSW Government Telco Authority.
  • We offer trade-up or trade-in options for any Two Way Radios. Ask us how!
  • Not happy with your purchase, contact us now to see your options, whether you want to trade-in or return.
  • Need servicing or after sales support, contact us whenever to get support when you need it!
  • We freight our products with TNT Express and Australia Post Express to ensure your equipment arrives on time and securely!
  • Are you unhappy with your current supplier? Contact us for a no obligation quote, we will always give you the best recommendations for your requirements. And if you aren’t happy, we are always available to work with you for the best deal and solution we can offer.
  • Got a question we haven’t answered? Talk to us on our chat, or give us a call on 0439 439 611!

CEL-FI Frequently Asked Questions


For all orders over $150


Quality assured products


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