- Home Page /
- Electronics /
- Accessories & Supplies /
- Telephone Accessories /
- Telephone Cords /
- XMSJSIY RJ11 CAT3 Keystone Coupler Telephone ...
0 ratings
Item #:
98696760
XMSJSIY RJ11 CAT3 Keystone Coupler Telephone Cable 6P4C Female to Female Jack Modules Connector Adapter Cord for Telephone Fax ADSL DSL Modems Line
Item #:
98696760
XCD 51
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
This RJ11 Keystone Coupler allows you to quickly and easily extend your phone line without any splicing or special tools.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Compatibility
Designed for standard telephone connections, ensuring seamless compatibility with ADSL, DSL modems, and fax machines, making it a versatile choice for various communication needs.
Space Efficient
At just 20CM, this keystone coupler offers an ideal length for compact setups, reducing clutter and maintaining organization in both home and office environments.
Durable Design
Constructed with quality materials, this coupler provides reliable performance over time, ensuring secure connections without deterioration, which enhances long-term value for users.
Product Details
| Connector Type | Cat3 |
| Cable Type | Ethernet |
| Compatible Devices | telephone |
| Other Special Features of the Product | High Speed |
| Compatible Phone Models | Compatible with telephones, specific models not listed |
| Ethernet Cable Category | Cat 3 |
| Connector Gender | Female-to-Female |
| Number of Pins | 6 |
| Recommended Uses For Product | Extend telephone line, Connect to modems, ADSL splitters, Telephone and internet devices |
| Specification Met | TIA |
| Indoor Outdoor Usage | Indoor, Outdoor |
| Color | Black |
| Item Shape | Round |
| Brand Name | XMSJSIY |
| Model Name | rj11654 |
| Customer Package Type | rigid box |
| Model | rj11654 |
| Manufacturer | Yingtuyou jiaju |
| Part Number | rj11654 |
| Item Weight | 4.54 g |
| Number of Items | 1 |
| Outer Material | Polyvinyl Chloride (PVC) |
| Brand | XMSJSIY |
| Special Feature | High Speed |
Who Should Buy?
-
Home Office Users
Ideal for connecting multiple telephone devices in a home office setup, expanding your communication options conveniently.
-
Telecom Technicians
Useful for technicians needing to make quick connections between devices during installation or repair tasks.
-
Small Business Owners
Beneficial for small businesses that require reliable and simple connectivity for phone lines and modems.
-
High-Speed Internet Users
Not suitable for users needing high-speed internet connections, as it's designed for basic telephone lines.
Product Description
XMSJSIY RJ11 CAT3 Keystone Coupler Telephone Cable 6P4C Female to Female Jack Modules Connector Adapter Cord for Telephone Fax ADSL DSL Modems Line -20CM/7.8IN 2PCS
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the XMSJSIY RJ11 CAT3 Keystone Coupler used for?
Answer: The XMSJSIY RJ11 CAT3 Keystone Coupler is designed to connect telephone and fax lines efficiently. It enables the extension of telephone lines or the direct connection of devices without the need for additional wiring. This makes it perfect for home and office environments where multiple devices such as telephones and DSL modems are used, ensuring a reliable and stable connection. -
Question:
How does the 6P4C connection work?
Answer: The 6P4C connection in the XMSJSIY Keystone Coupler refers to the physical configuration of the connector, which has six positions and four contacts. This configuration allows for efficient data transmission over telephone lines, making it suitable for both voice and data applications. As a result, you can enjoy enhanced communication capabilities, connecting various devices seamlessly. -
Question:
Can I use this coupler for DSL modems?
Answer: Yes, the XMSJSIY RJ11 CAT3 Keystone Coupler is compatible with DSL modems. It allows you to connect your modem to the telephone line effortlessly, ensuring that you have a clear and stable connection for internet access. This is particularly beneficial if you are setting up your home internet network or troubleshooting internet connectivity issues. -
Question:
Is this keystone coupler compatible with all telephone systems?
Answer: The XMSJSIY Riy11 CAT3 Keystone Coupler is designed to be compatible with most standard telephone systems that utilize RJ11 connectors. This versatility allows you to extend or join telephone lines from different devices easily, making it a practical solution for various communication setups in homes or offices. -
Question:
What is the maximum distance for effective use of this coupler?
Answer: While the XMSJSIY RJ11 CAT3 Keystone Coupler can be used over significant distances, it is generally recommended to keep the total length of the connected cables within 200 feet for optimal performance. This ensures minimal signal degradation, which is essential for maintaining clear audio quality during phone conversations or consistent internet speed for DSL connections. -
Question:
Does this coupler support fax machines?
Answer: Yes, the XMSJSIY RJ11 CAT3 Keystone Coupler is suitable for connecting fax machines, making it a versatile choice for office use. By allowing a direct link between your phone line and fax machine, it ensures efficient document transmission, making it an ideal setup for businesses that frequently send and receive faxes. -
Question:
What materials are used in this keystone coupler?
Answer: The XMSJSIY RJ11 CAT3 Keystone Coupler is constructed from durable materials, providing robust performance and reliability. The connectors are designed to withstand regular use, ensuring a solid connection without frequent replacements. This durability is vital for both residential and commercial environments where connections are constantly in use. -
Question:
Can I install this coupler myself?
Answer: Yes, installing the XMSJSIY RJ11 CAT3 Keystone Coupler is straightforward and does not require professional installation. You can directly plug it into compatible RJ11 cables, making it an excellent choice for anyone looking to enhance their telephone system setup without needing specialized tools or expertise. -
Question:
How does this coupler improve my phone line setup?
Answer: By using the XMSJSIY RJ11 CAT3 Keystone Coupler, you can create a more organized and efficient phone line setup. It allows for easy connections and extensions, eliminating clutter from multiple cables and ensuring that each device has a clear path to the phone line. Consequently, this enhances the overall functionality of your communication devices. -
Question:
Where can I buy the XMSJSIY RJ11 CAT3 Keystone Coupler in Grenada?
Answer: You can conveniently purchase the XMSJSIY RJ11 CAT3 Keystone Coupler at Ubuy in Grenada. Ubuy provides a reliable platform to order your keystone coupler, ensuring you receive a quality product that meets your needs for extending or connecting your telephone and fax lines efficiently.
XMSJSIY Telephone Cords Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Easy installation
- Reliable connection
- Compatible with multiple devices
- High-quality materials
- Compact design
Cons
- Limited color options.
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
XCD 51
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Extends phone lines easily with RJ11 Keystone Coupler.
- Compatible with RJ11 6P2C and 6P4C cables.
- Quick installation—no soldering or specialized tools required.
- High-quality gold-plated copper pins ensure stable signal transmission.
- Reusable design allows for easy disconnection and relocation.
- Ideal for all RJ11 devices including phones, fax machines, and DSL modems.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.