Close detail of the waterproof RJ45 cable joiner cable seal and IP68-marked coupling body
Open RJ45 connector view of the waterproof RJ45 cable joiner showing its internal socket
Assembled angle view of the IP68-marked waterproof RJ45 cable joiner with cable glands
IP68 Cat6A RJ45 Joiner - Starlink Cable Repair or Join them together Gen 3, Gen 2, Mini
Close-up image of Starlink Cat6a RJ45 IP68 waterproof connector with Ethernet cable inserted for secure outdoor networking
Disassembled Starlink Cat6a RJ45 IP68 waterproof connector showing internal components for rugged Ethernet cable connection
Side profile of the assembled waterproof RJ45 cable joiner with blue cable seals

Starlink Cable Joiner – IP68 CAT6A RJ45 Coupler

Sale price$42.00
SKU: ST-RJ45-IP68-JOINER
compatible with

Not sure what Starlink you have?
Starlink Cable Joiner – IP68 CAT6A RJ45 Coupler
Sale price$42.00

Specifications

🔗 IP68 CAT6A RJ45 joiner for Starlink cable repairs and extensions

This sealed CAT6A RJ45 inline coupler is for joining, extending or repairing compatible Starlink and Ethernet-style cable runs.

It is useful for outdoor, caravan, RV, shed and fixed-site installs where a continuous cable run is not practical and both cable ends are RJ45 terminated.

✅ Use this if

  • You need to join two compatible RJ45-based Starlink or Ethernet cables.
  • You are repairing or extending a cable run with suitable RJ45 terminations.
  • You need a weather-resistant inline joiner for the listed application.

📏 Key specifications

  • Connector type: RJ45 inline coupler.
  • Cable standard: CAT6A.
  • Weather rating: IP68 as listed for this product.
  • SKU: ST-RJ45-IP68-JOINER.

📦 What is included

  • 1 x IP68 CAT6A RJ45 joiner.
  • RJ45 cables, crimping tools and Starlink hardware are not included.

⚠️ Important notes

  • Cable preparation and connector quality affect sealing and network performance.
  • Confirm your Starlink or Ethernet cable uses compatible RJ45 terminations before ordering.
Connector
RJ45 inline coupler
Cable standard
CAT6A
Rating
IP68
Use
Join repair or extend
Application
Starlink and Ethernet style cables

Have You Considered

Frequently asked questions

Some questions and answers are automatically generated.

Is this easy to install?
Yes. Multiple reviewers describe it as easy to install and straightforward to set up, and it eliminates the need to cut and splice cables.
Will this work with Starlink cables?
Yes, it is designed as a CAT6A RJ45 coupler for joining, extending or repairing compatible Starlink and Ethernet-style cables. The product description notes it is useful for selected Starlink cable repair and extension applications.
Is it weatherproof for outdoor use?
Yes, it is IP68-rated for weather-resistant and dust-resistant installations when fitted correctly, making it suitable for outdoor, caravan, RV, and shed installations. The product description notes that the IP rating depends on correct assembly and proper sealing.
Can I use it for cable extensions?
Yes, it is designed for joining, extending or repairing compatible RJ45-terminated cables. It allows you to connect two cables together where a continuous cable run is not practical.
Is it shielded?
Yes, it is a shielded CAT6A RJ45 coupler, which provides better protection from interference compared to basic indoor RJ45 joiners.
  • 5 stars: 13 (93%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 1 (7%)
Some of the reviews shown are from related products the merchant grouped with this one.
R
Rob (Australia)
(Mini) DC-DC

works great

A
Anonymous (Australia)

Let me connect two cables together for a longer run

c
chris rogers (Australia)
(Mini) DC-DC

Have placed the short lead to the coupler so can run the mini on the car inverter while driving then use caravan power when parked up awesome

A
Anonymous (Australia)

Quality item and fast delivery. Easy setup. saves cutting and splicing, just what I needed.

P
Peter Garland (Australia)

Great product, is as described

B
Brian Gell (Australia)
(Gen 3 Standard 4) CAT6A RJ45

Item arrived on time and is as described - good service!

A
Anonymous (Australia)

Great customer service, I really like the authenticity of the email correspondence.

G
GEORGE SLIEKER (Australia)
(Mini) DC-DC

Just what I need, perfect for the caravan

G
Gary Lowry (Australia)

A quality product that easy to install

S
Steve F (Australia)

Well made item. Does the job nicely

A
Adam Mackie (Australia)

Very good product

E
Errol (Australia)

First one had an issue and spacetec resolved it quickly and painlessly, can’t ask for more. New one works as intended, so very happy.

D
Dennis

Perfect Thanks

L
Leon

Quick delivery and quality products

Compatible with Starlink dishes
Highest quality materials
Built for the Australian climate
Custom-machined mounts
Compatible with Starlink dishes
Highest quality materials
Built for the Australian climate
Custom-machined mounts

Why Choose Spacetek Mounting Kits?

Quality & Compatibility

At SpaceTek's Starlink Shop, we offer a comprehensive range of additional mounts, adapters, and accessories. Whether you're looking to fine-tune your setup or maximize performance, we have you covered. Our products are built to withstand varying temperatures and harsh weather conditions, ensuring your Starlink Dishy remains operational and protected from thermal shutdowns on scorching hot days or during pouring rain or gale-force winds.

Don't leave your Starlink experience to chance. Choose the Starlink experts who understand the importance of quality, compatibility, and performance since 2021.

Roof Dish Thumbnail Spacetek

Custom-Machined

Secure and stable installation for your Starlink dish, guaranteeing optimal performance.

Lightweight & Rust-Resistant

Our mounting equipment provides a durable and long-lasting solution for mounting your Starlink equipment.

Built to Last

Our products are built to withstand various weather conditions, including high temperatures, heavy rain, and strong winds.
Why Choose Spacetek Mounting Kits?
Quality & Compatibility

At SpaceTek's Starlink Shop, we offer a comprehensive range of additional mounts, adapters, and accessories. Whether you're looking to fine-tune your setup or maximize performance, we have you covered. Our products are built to withstand varying temperatures and harsh weather conditions, ensuring your Starlink Dishy remains operational and protected from thermal shutdowns on scorching hot days or during pouring rain or gale-force winds.

Don't leave your Starlink experience to chance. Choose the Starlink experts who understand the importance of quality, compatibility, and performance since 2021.