Guide

Starlink cable guide: lengths, longer cables, extending and routing

At a glance

The Standard 4 and 4X come with a 15 m (49.2 ft) cable; for more distance, Starlink sells a 45 m (147.6 ft) replacement. Joining cables is an unsupported workaround. Beyond 45 m, a workaround: move the router near the dish and run ordinary Ethernet back.

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Our research and corrections process

Short answer: Starlink doesn’t offer a way to extend its dish cable; for more distance, replace the Standard 4 or 4X kit’s 15 m (49.2 ft) cable with Starlink’s 45 m (147.6 ft) cable. Beyond 45 m, keep the dish cable as is and run ordinary Ethernet from the router instead. Joining two cables with a coupler is an unsupported workaround.

Last checked: October 10, 2026. Every option below is labeled Starlink supports or workaround.

Powering your setup too? See every Starlink power guide, product and the calculator on our Starlink power hub.

Find your cable

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Kit cable lengths
KitIncluded cableLonger option
Standard 4 / Standard 4X15 m (49.2 ft)Starlink 45 m (147.6 ft) cable, sold in Starlink’s US shop and listed for Standard 4 and 4 X
Starlink Mini15 m DC power cableStarlink 30 m (98.4 ft) DC power cable (Mini accessories guide)
Standard Actuated (Gen 2)15.2 m (50 ft) (Standard Actuated spec sheet); High Performance kit: 25 m (82 ft) (Starlink Help Center)See older Starlink models
Gen 1 (Circular)Attached 30 m (100 ft) cable (Starlink Help Center)See older Starlink models

Need more distance? Three options

1. Replace with Starlink’s 45 m cable (Starlink supports)

The supported fix is the Starlink 45 m (147.6 ft) cable, sold in Starlink’s US shop and listed for Standard 4 and 4 X (Standard accessories guide). It replaces the 15 m kit cable; it isn’t meant to be added onto it. Check the current price on Starlink’s shop. Dishwits earns nothing on it.

2. Move the electronics, then run Ethernet (workaround, built from Starlink-supported parts)

The dish cable stays within Starlink’s length. You put the router and power supply in a sheltered spot near the dish and carry the internet indoors over a standard outdoor Ethernet cable. If your Starlink router has no Ethernet port (e.g. the Gen 2 router), you need a Starlink Ethernet adapter, and you may want bypass mode with your own router or a mesh node indoors.

Starlink’s router specs describe them as configured for indoor use (Gen 2 router: IP54, indoor), so put them in a sheltered, dry spot. Standard Ethernet runs are normally limited to 100 m (328 ft) per segment (the standard Ethernet limit, not a Starlink figure).

3. Join two cables with a coupler (workaround)

Some owners join a Starlink cable to a run of outdoor shielded Cat6 with a waterproof coupler. Starlink doesn’t sell this setup and presents its 45 m cable only as a replacement. Starlink says it doesn’t recommend modifying the cable or combining it with another cable to add length, because it can’t guarantee quality of service, and damage caused this way may void the warranty (Starlink Help Center). If you try it, you take on the risks below. Dishwits doesn’t recommend coupler kits.

Why longer isn’t free: voltage drop

The dish cable carries power as well as data. Every metre of wire has resistance, so the farther the power travels, the more voltage is lost as heat before it reaches the dish. Starlink designs its cables and power supply as a matched set. A longer, thinner or joined run can leave the dish short of power, which shows up as reboots or dropouts. That’s why “just add more cable” is the riskiest path.

When drilling, avoid studs, wiring and water lines, drill at a slight downward angle from inside to outside, and seal the hole thoroughly (details and source in our mounts guide). Starlink sells two kits (Starlink Help Center; US shop): The Cable Routing Kit is for most walls and isn’t recommended for masonry, concrete or hard-coat stucco. The Masonry Routing Kit is for those surfaces. Check the current price on Starlink’s shop.

Underground (workaround)

Starlink says its cable is not rated to be buried or under water (Starlink Help Center). If you run it underground anyway, owners put it in sealed conduit rather than in the soil, and pick conduit wide enough for the connector to pass (DISHYtech suggests 1 inch or more). Avoid tight bends.

Can I use my old coax or my own Ethernet as the dish cable?

No. This isn’t a Starlink-supported option or a workable workaround. Coax can’t carry Starlink’s signal or power. The dish-to-router cable follows RJ45 standards, but it is sealed and power-rated for the kit; Starlink doesn’t recommend third-party cables (risk of water damage; may void the warranty) (Starlink Help Center). Ordinary Ethernet only belongs after the router (option 2).

Quick decision guide

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Distance from dish to where you want Wi-FiSetupLabel
Up to 15 mKit cableStarlink supports
15–45 mStarlink 45 m replacement cableStarlink supports
More than 45 mRouter and power near the dish, Ethernet back (up to 100 m per run), or a wireless bridgeWorkaround (Starlink-supported parts)
Any distance, joined cablesCoupler plus Cat6Workaround

Products for option 2

These are third-party products, not made by Starlink. They are for the Ethernet run after the router, not the dish cable.

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Sources