Where Wireless Communication Actually Started
Long before anyone was worrying about signal bars on a phone, the entire idea of wireless communication was radical. In the late 1800s, pioneers including Guglielmo Marconi demonstrated that Morse code could be sent through the air without a single wire strung between two points. It sounds quaint now, but it broke an assumption that had held for decades: that communication needed a physical connection to travel any distance at all.
That breakthrough spent the next century being refined into radar, television broadcasting, and eventually the first genuinely mobile radios. New Zealand played its own part in this story. In 1969, Sir Angus Tait founded what would become Tait Communications in Christchurch, starting with a team of just 12 people building mobile radios for the New Zealand market. Within a few years, Tait's Miniphone series had captured the majority of that market, and the company went on to become one of the world's most respected names in critical radio communications, still headquartered in Christchurch today.
That's not a throwaway historical footnote. It's the reason two-way radio has such deep roots in New Zealand business, and why brands born out of that era, Tait among them, are still the backbone of radio networks used by emergency services, forestry crews and transport fleets across the country.
Two-Way Radio Grows Up: From Analogue to Licensed Digital Networks
For decades, two-way radio in New Zealand meant analogue. Your voice was converted directly into a continuous radio wave, sent out, and converted back at the other end. Simple, reliable, and still perfectly adequate for plenty of straightforward jobs today.
What changed the game was the shift to digital. Digital Mobile Radio, or DMR, converts voice into a data stream, which opens the door to clearer audio in noisy environments, encryption for sensitive conversations, and features like GPS location and text messaging riding alongside the voice channel. Tait released its DMR Tier 3 platform in 2012, and digital has since become the standard for any business that needs more than basic push-to-talk.
Why Licensing Became Part of the Story
None of this happens in a free-for-all. Radio Spectrum Management (RSM) governs who can use which frequencies under the Radiocommunications Act 1989, and for good reason. Without that structure, your team's channel could be talked over by the business next door, or worse, could interfere with emergency services.
Most consumer and small-business radios operate under the General User Radio Licence (GURL), which covers UHF CB and PRS frequencies without any individual paperwork. PRS itself was expanded from 40 to 80 channels back in 2011, giving casual and small commercial users more room to move. But once your business needs a private, interference-free channel, you're into individual licensing territory, and that's where a lot of businesses get their first real introduction to how regulated this space actually is.
Digital radio didn't replace analogue overnight, and in plenty of NZ workplaces it still hasn't. But the direction of travel is clear: businesses that need data, security and scale are moving to digital, while simple, low-cost communication needs are still well served by analogue and licence-free channels.
The Cellular Revolution: 1G to 5G on Kiwi Shores
While radio was maturing on its own track, an entirely separate revolution was building networks of towers designed to hand your call off seamlessly from one to the next as you moved. New Zealand's mobile network dates back to 1987, when what was then Telecom NZ switched on the country's first analogue cellular service.
Each generation since has been a genuine leap, not just a marketing refresh. Digital 2G networks arrived in the 1990s, 3G brought mobile data in the early 2000s, and 4G LTE landed in New Zealand in November 2013, dramatically improving speed and reliability. Vodafone New Zealand (now One NZ) switched on the country's first commercial 5G network in December 2019, with Spark following in July 2020 and 2degrees in 2022.
That last date matters more than it might seem. As of 31 March 2026, 3G is gone nationwide. If you've still got an older cellular signal booster, alarm panel, or fleet tracking unit configured to fall back to 3G, it isn't falling back to anything anymore. It has simply stopped working, and that's a conversation worth having with your provider sooner rather than later.
5G itself brings genuinely useful gains for business: faster data, lower latency, and the ability to support far more connected devices on the same network. But it's still a public network, built and owned by someone else, running through towers that can be knocked out by extreme weather or simply don't reach a lot of rural and remote New Zealand. That single fact is the reason cellular has never fully replaced two-way radio, and never will.
Where Radio Meets Cellular: The Rise of PoC
For a long time, radio and cellular sat in separate lanes. Then Push-to-Talk over Cellular, or PoC, came along and blurred the line deliberately. A PoC device looks and handles like a two-way radio, complete with a push-to-talk button, but it carries your voice over the cellular data network instead of a dedicated radio frequency.
The upside is coverage. A PoC user in Kaitaia can talk instantly to a colleague in Invercargill, as long as both have a mobile signal, something a traditional UHF or VHF radio network was never designed to do without a huge investment in repeaters. That's made PoC a genuinely useful option for transport, logistics and field service teams spread across the country rather than concentrated on one site.
The trade-off is just as important to understand. PoC depends entirely on the cellular network being up. Take that network away, whether through a rural black spot, a natural disaster, or simple congestion, and a PoC device is no more useful than a mobile phone. For businesses working in genuine radio black spots, licensed UHF, VHF or DMR still does a job that PoC can't.
The practical answer for a lot of NZ operations isn't choosing one over the other. It's running licensed radio for on-site, safety-critical communication and PoC for the parts of the business that are spread out nationally, letting each technology do the job it's actually good at.
The Satellite Leap: Starlink Changes the Rules
Satellite communication itself isn't new. Satellite phones and beacons have been keeping mariners, trampers and remote workers connected for decades, using networks like Iridium and Inmarsat to bounce a signal off satellites in orbit rather than a ground-based tower. What's changed recently is speed, cost and scale, and the reason for that change has a name: Starlink.
Starlink launched in New Zealand in 2021, using a constellation of low Earth orbit satellites to deliver genuinely fast broadband to places fibre and cellular towers were never going to reach economically. The uptake has been extraordinary. According to the Commerce Commission's 2025 Telecommunications Monitoring Report, Starlink's share of New Zealand's rural broadband market grew from 19 percent to 27 percent in a single year, overtaking every terrestrial provider to become the country's largest rural internet provider.
The story doesn't stop at fixed broadband. One NZ launched satellite text messaging direct to standard mobile phones in December 2024, and Spark switched on its own satellite-powered mobile service on 1 April 2026. For the first time, a standard smartphone in a genuine dead zone can send a message via satellite with no extra hardware at all. It's early days for that particular technology, and it currently covers basic messaging rather than full voice and data, but the direction is unmistakable.
For NZ businesses, this has turned satellite from a specialist, expensive backup option into a mainstream part of the connectivity mix, particularly for farms, forestry blocks, marine operations and any site sitting outside reliable cellular range.
Choosing the Right Mix for Your Business Today
So where does more than a century of wireless evolution leave a New Zealand business deciding how to communicate today? Not with a single winning technology, and anyone telling you otherwise is trying to sell you one box that does everything. The honest answer is that licensed two-way radio, cellular and PoC, and satellite each solve a different problem, and most operations end up using at least two of them together.
- On a single site or in a defined coverage area: licensed UHF, VHF or DMR radio still gives the most reliable, lowest-latency, safety-critical communication going, independent of any public network.
- Spread across the country: PoC bridges the gap using existing cellular coverage, without the cost of building your own repeater network.
- Off-grid, remote, or marine: satellite, whether that's a fixed Starlink connection, a satellite phone, or a personal locator beacon, is the only technology that doesn't care where the nearest cell tower is.
Mobile Systems Limited has been supplying, installing and servicing communication equipment from Mount Maunganui for over 25 years, working across two-way radio, PoC, GPS fleet tracking, cellular signal boosting and satellite solutions including Starlink. We're brand-independent, stocking Tait, Hytera, Motorola, Icom, GME and other leading names, so our advice starts with your operation, not a product we're trying to move.
If your current setup was built around technology from ten or even five years ago, from an old 3G-reliant booster to a radio licence that's never been reviewed, it's worth a proper look before it quietly stops working. Get in touch with our team for a straightforward assessment of what your business actually needs today.
