Article: Using Starlink with 5G Failover

Article Starlink with 5G failover

As investment into Satellite internet systems increases, satellite solutions such as Starlink are increasingly becoming a popular method of bringing internet into your home, narrowboat or campervan. The great speeds these technologies can achieve even in remote areas are also leading to them being used in IoT solutions as a vital source of network connection.

 

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There are many reasons why someone would choose to use a satellite internet system over broadband, especially when in rural areas where broadband infrastructure is usually very limited due to factors like the high cost of installation, the smaller population and the greater distances involved.

Using Starlink with a 5G failover

In these kinds of scenarios, throughput speeds can be extremely poor (sometimes not even reaching 10Mbps). Meanwhile, Starlink and other satellite internet systems can achieve speeds of up to 300Mbps in any scenario, regardless of how remote or rural, making it a great answer for those in great need of a fast, modern network connection outside of urban environments.

As fortune would have it, these Starlink systems are able to strike up a brilliant mutually-beneficial relationship with our 4G/5G router systems, such as those by Teltonika, via the use of automatic WAN failover. What this essentially means is that a Starlink system can be run into the WAN port of a Teltonika router and then either internet connection (4G/5G or satellite) can act as the back-up for the other one.

The process for achieving cellular failover by using a Starlink kit alongside a Teltonika router is actually quite simple and can be achieved in just a matter of minutes without any engineering experience or technical education, since Teltonika routers are designed with the possibility of being used in this kind of scenario in-mind.
The Starlink Ethernet adapter, an accessory available on Amazon or via the Starlink app, is all that’s required to facilitate the configuration.

 

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RUTX50 Teltonika 5G Router TL-RUTX50

When the system is set up correctly, the Teltonika router will instantly detect any failures in the satellite connection and automatically move onto a 4G/5G cellular connection instead.

This failover happens so quickly that no downtime will be experienced by any users of the network, allowing data to continue transferring without any interruption. This is especially paramount for mission-critical installations such as agriculture, industrial sites and emergency services.

Such important network connections can be reinforced even further by using a dual-SIM Teltonika router with an alternate SIM card in the second SIM slot, in case a problem occurs with the primary SIM network.

Ultimately, as broadband services continue to be unreliable in remote conditions, mobile routers like the Teltonika range will continue to be the optimal failover solution for Starlink and other Satellite network systems.

The Teltonika range of routers are; quick and easy to configure for this scenario, can be used in even the harshest of conditions, and are very cost-effective. Making a combination of Starlink internet with a 4G/5G Teltonika router the perfect guarantee for fast and reliable internet regardless of where you are.

 

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Outdoor external 4G 5G Antenna

 

To excel your mobile connection even further when in use, you may also want to consider an external 4G/5G antenna. Vanlifers "The Road Two Spoons" have written a great article & created a YouTube Video documenting their own personal Starlink & 5G set-up in their van, in which they have a Teltonika RUTX50 router & Poynting MIMO-4 antenna for the 5G side of things.

 

video - The Road Two Spoons - 12v Starlink campervan WiFi with SIM redundancy

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For help with your setup, view our step-by-step guide on how to link your Starlink kit to your Teltonika router.

 

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Author: Daniel Coombs

08/04/2025

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