Blogs

Auckland, 17/06/2026 – Powertec Telecommunications is pleased to announce the release of Nextivity’s CEL-FI ROAM R41-VB Mobile Booster, a new mobile signal enhancement solution approved for use on the Spark New Zealand mobile network.

Designed specifically for New Zealand users who experience poor mobile coverage, CEL-FI ROAM R41-VB helps improve voice and data connectivity by boosting existing Spark NZ mobile signals in a variety of environments.

The compact and versatile solution is ideal for use in vehicles, as well as small homes and apartments, helping users stay connected in areas where mobile coverage may be limited or inconsistent.

“As an approved device for the Spark NZ network, CEL-FI ROAM R41-VB meets carrier requirements and delivers intelligent signal amplification without causing interference to the mobile network when appropriately installed. The system automatically optimises performance to provide improved mobile coverage where it is needed most.”

"Reliable mobile connectivity is essential whether you're travelling, working remotely, or staying connected at home," said Paul Boyce, Product Manager at Powertec Telecommunications. " CEL-FI ROAM R41-VB offers Spark NZ customers a simple and effective way to enhance their mobile signal and improve their overall mobile experience."

CEL-FI ROAM R41-VB is now available through Powertec Telecommunications and its authorised reseller network.

For more information about CEL-FI ROAM R41-VB Mobile Booster, please contact Powertec Telecommunications or visit the company website.

About Powertec Telecommunications

Powertec Telecommunications is a leading provider of wireless communication solutions across Australia and New Zealand. The company specialises in mobile coverage enhancement, wireless infrastructure, and connectivity solutions that help businesses and consumers achieve reliable communications in challenging coverage environments.

About Nextivity Inc.
Headquartered in San Diego, Nextivity Inc. develops the CEL-FI family of cellular coverage solutions for enterprise, public safety, and consumer applications. Designed using the company’s proprietary IntelliBoost® technology, CEL-FI systems are unconditionally network-safe and deliver the industry’s highest levels of gain and coverage.

Media Contact

Name: Paul Boyce
Title: Product Manager
Powertec Telecommunications Pty Ltd
Phone Number: 09 951 6205
Email Address: paul.boyce@powertec.com.au
Product Link: Nextivity CEL-FI ROAM R41-VB Spark Smart Stationary B28 Repeater inc. Adhesive Antenna