About Us

Nextivity is a telecommunications manufacturer
and creator of the CEL-FI product line.
It is available in South Africa through
Duxbury Networking.

About Duxbury Networking

DUXBURY NETWORKING, headquartered in Johannesburg South Africa, with branches in Cape Town and Durban, is a specialist distributor providing a broad range of products and technical expertise in the fields of networking, wireless solutions, IP telephony, mobility, video conferencing and surveillance.

Since 1984 Duxbury Networking has consistently and successfully delivered leading-edge hardware and technical services through its nationwide dealer/reseller channel. 

The company believes that convergence technology is key to the future of IT and should be incorporated into every business. In this light, Duxbury Networking builds and maintains a product portfolio that includes some of the world’s most innovative brands, including exclusive rights to the Nextivity product range.

Nextivity solutions are the only coverage solutions authorized for use in nearly 100 countries by almost 200 mobile operators, including South Africa.  It is approved locally by ICASA.   CEL-FI products cover spaces no one has covered before.
CEL-FI products are installer friendly, provide optimal coverage, and automatically adjust to changing network conditions. Solutions range from DAS to Smart Signal Boosters, all providing the industry’s highest Max Gain.

Available in
South Africa

ICASA and Network Operator Approved

Available in
South Africa

ICASA and Network Operator Approved

Nextivity solutions are the only coverage solutions authorized for use in nearly 100 countries by almost 200 mobile operators, including South Africa.  It is approved locally by ICASA.   CEL-FI products cover spaces no one has covered before.
CEL-FI products are installer friendly, provide optimal coverage, and automatically adjust to changing network conditions. Solutions range from DAS to Smart Signal Boosters, all providing the industry’s highest Max Gain.

The Problem

Coverage signals are inhibited or blocked by trees, hills, building materials and bad weather.

The CEL-FI Solution

Nextivity has worked with partners to create the CEL-FI suite of cellular coverage solutions. Starting from ground up. Nextivity engineered the award winning Intelliboost® chipset, as the heart of the highest Max Gain product available in the world.
 
Nextivity has innovated at every step of product development, with 28 patents across hardware, software, firmware, antennas, tools and apps. The carrier-grade products are all network safe, optimized for ease of installation and the most powerful solution in their class.
 

The CEL-FI Advantage

Carrier approved

The only signal booster authorized for use in nearly 100 countries, including SA, and by almost 200 mobile network operators.

Installer Friendly

Intelligent and dynamically self-configuring wireless system makes it easier to install.

Exceptional coverage footprint

The only signal booster authorized for use in nearly 100 countries by almost 200 mobile network operators.

Unconditionally network safe

No interference with mobile networks or other subscribers’ signals.

Best overall value and performance

Delivers the lowest cost per decibel of gain and square footage of coverage.

From enterprise to mobile

Ideal for enterprise environments, small businesses, multi-story homes, remote settings, marine or vehicles.