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4G/5G Mobile Solution for your Narrowboat
Router and Antenna Solutions for your narrowboat, wide beam, cruiser, houseboat, or other Marine Vessels.
For many people, moving onto a narrowboat is about slowing down, simplifying life, and escaping the rush of modern living. But even if you’re cruising the canals, most liveaboards still need a reliable internet connection. Whether it’s remote work, running an online business, or simply keeping in touch with family, good connectivity has become essential.
Fortunately, it’s entirely possible to build a robust Internet setup on a narrowboat using modern cellular networking equipment. One of the most reliable approaches combines a rugged cellular router from Teltonika with a high-performance external antenna from Poynting.
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Why Mobile Broadband Works Well on a Narrowboat
Unlike houses connected to fixed fibre or copper lines, boats move constantly. This means traditional broadband isn’t an option for most liveaboard boaters. Instead, connectivity usually comes from the mobile network. A cellular router uses a standard data SIM card, but distributes the connection throughout the boat via Wi-Fi and Ethernet. This effectively turns your narrowboat into a floating hotspot. The key challenge is signal strength. Steel hulls and cabin structures can block mobile signals, which is why external antennas are important.
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Choosing the Right Router
A popular and proven choice among mobile and off-grid setups is the Teltonika range of routers. They offer industrial-grade devices that are perfect for off-grid living. More recently, we have taken on the InHand range of mobile routers, the FWA02 5G router and the CR202 4G battery-powered router, becoming very popular in the mobility sector.
These routers support 4G and/or 5G for high-speed connections, e-SIM versions are available, dual SIM cards for failover, and built-in Wi-Fi to distribute the connection across your boat. They can deliver multi-gigabit cellular speeds under ideal conditions and include multiple Ethernet ports for wired devices. (Check each device for full specification).
Teltonika routers are designed for harsh environments and wide voltage ranges, which makes them suitable for boats where power supplies can fluctuate and conditions can be demanding.
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Improving Signal with an External Antenna
While the router itself is usually installed inside the cabin, the antenna should ideally be outside. This is where a specialist antenna, such as the Poynting range, comes in.
Poynting antennas are designed specifically for vehicles and marine environments and support modern LTE and 5G bands. Many use 4×4 MIMO technology, which improves throughput and reliability by simultaneously using multiple antenna elements.
Marine-grade antennas are typically:
• Waterproof and weather-resistant
• UV and salt-resistant
• Designed for wideband LTE and 5G frequencies
• Omnidirectional, so they work while moving
By placing the antenna outside and above the steel cabin, you can dramatically improve signal quality and speed.
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Where to Mount the Antenna
Placement matters a lot on a narrowboat.
Common mounting options include:
• On the cabin roof, on a removable/static/mag mount pole or bracket (pole mounting options)
• Near existing equipment like solar panels or mushroom vents
Ideally, the antenna should have a clear view of the sky and the surrounding area, away from metal obstructions.
Poynting offer a couple of antennas with window mounting via suction cups, which might be a good option for those who have limited space outside or who would not want to drill any holes. You could consider the XPOL or PANL antennas.
However, narrowboats have one unique challenge: low bridges!
Avoiding Bridge Strikes
Anything mounted on the roof risks hitting a bridge, so antenna placement must be carefully considered.
Good practices include:
• Mounting the antenna on a removable bracket
• Using a fold-down pole
• Ensuring it is no taller than other roof equipment
• Adding a reminder label near the helm
Some boaters also keep a quick-release mount so the antenna can be removed before navigating particularly low bridges. Even if the antenna sits below the highest roof equipment, it’s still wise to be aware of it when cruising.
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Powering the System
The Teltonika range is flexible with power. Many models accept wide DC input ranges (often around 9–50 V), meaning they can easily be powered from a 12-volt boat electrical system.
Straightforward for installation:
• Connect the router to the 12 V supply
• Insert SIM card
• Connect the external antenna
• Configure Wi-Fi
Once set up, the router will automatically connect to the mobile network and provide internet throughout the boat.
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Connectivity for Work and Life on the Water
Living on a narrowboat often appeals to people seeking a simpler lifestyle; there is less clutter, more nature, and a slower pace of life.
But simplicity doesn’t mean disconnecting completely. Many liveaboard boaters work remotely, manage online businesses, or rely on digital services for banking, communication, and entertainment.
A well-designed mobile broadband setup ensures you can enjoy life on the water without sacrificing connectivity. With a reliable router like the Teltonika and Inhand ranges matched with a robust Poynting antenna mounted in a sensible location, your narrowboat can stay connected almost anywhere the mobile network reaches.
In short, a good router, a proper external antenna, and careful installation can transform your narrowboat into a dependable floating office, letting you enjoy canal life while still getting work done.
For help or more information, feel free to get in touch with us at Solwise.