---
product_id: 722008720
title: "SinLoon RJ11 Coupler RJ11 Female to Female 6P6C Phone Coupler Inline Straight Phone Cable Extension Cable Adapter for Ground Line Fax Machine (Right)"
brand: "sinloon"
price: "1785868₫"
currency: VND
in_stock: true
reviews_count: 5
category: "Sin Loon"
url: https://www.desertcart.vn/products/722008720-sinloon-rj11-coupler-rj11-female-to-female-6p6c-phone-coupler
store_origin: VN
region: Vietnam
---

# Seamless Phone Line Extension 6P6C RJ11 Female-Female Connector Compact & Durable Build SinLoon RJ11 Coupler RJ11 Female to Female 6P6C Phone Coupler Inline Straight Phone Cable Extension Cable Adapter for Ground Line Fax Machine (Right)

**Brand:** sinloon
**Price:** 1785868₫
**Availability:** ✅ In Stock

## Summary

> 📞 Stay connected, extend effortlessly!

## Quick Answers

- **What is this?** SinLoon RJ11 Coupler RJ11 Female to Female 6P6C Phone Coupler Inline Straight Phone Cable Extension Cable Adapter for Ground Line Fax Machine (Right) by sinloon
- **How much does it cost?** 1785868₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/722008720-sinloon-rj11-coupler-rj11-female-to-female-6p6c-phone-coupler)

## Best For

- sinloon enthusiasts

## Why This Product

- Trusted sinloon brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Solid construction ensures reliable, long-term performance.
- • **Space-Saving Design:** Compact inline adapter fits discreetly in any setup.
- • **Plug & Play Simplicity:** No tools or technical skills needed—just connect and go.
- • **Effortless Connectivity:** Instantly extend your phone or fax line without hassle.
- • **Universal Compatibility:** Works flawlessly with all RJ11 6P6C devices—phones, fax machines, and more.

## Overview

The SinLoon RJ11 Coupler is a compact, durable inline adapter designed to seamlessly connect two RJ11 6P6C female phone cables. Ideal for extending phone or fax lines, it offers universal compatibility and a solid build, ensuring reliable performance in professional or home office setups.

## Description

1pc

Review: Just what I needed, built solid.
Review: Fonctionne très bien

## Features

- 1pc

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08ZCGY32S |
| Item model number | SL-RJ11-CF |
| Package Dimensions | 15.01 x 7.8 x 2.11 cm; 41 g |

## Product Details

- **Brand:** SinLoon
- **Colour:** LDF-A11795
- **Item package quantity:** 1
- **Number of Items:** 1
- **Number of ports:** 1

## Images

![SinLoon RJ11 Coupler RJ11 Female to Female 6P6C Phone Coupler Inline Straight Phone Cable Extension Cable Adapter for Ground Line Fax Machine (Right) - Image 1](https://m.media-amazon.com/images/I/71UjFcx5FRL.jpg)
![SinLoon RJ11 Coupler RJ11 Female to Female 6P6C Phone Coupler Inline Straight Phone Cable Extension Cable Adapter for Ground Line Fax Machine (Right) - Image 2](https://m.media-amazon.com/images/I/718ywxJa4GL.jpg)
![SinLoon RJ11 Coupler RJ11 Female to Female 6P6C Phone Coupler Inline Straight Phone Cable Extension Cable Adapter for Ground Line Fax Machine (Right) - Image 3](https://m.media-amazon.com/images/I/714rNy1O5KL.jpg)
![SinLoon RJ11 Coupler RJ11 Female to Female 6P6C Phone Coupler Inline Straight Phone Cable Extension Cable Adapter for Ground Line Fax Machine (Right) - Image 4](https://m.media-amazon.com/images/I/81tpZizzlAL.jpg)
![SinLoon RJ11 Coupler RJ11 Female to Female 6P6C Phone Coupler Inline Straight Phone Cable Extension Cable Adapter for Ground Line Fax Machine (Right) - Image 5](https://m.media-amazon.com/images/I/71M2AXZMnaL.jpg)

## Questions & Answers

**Q: Doesn't seem to work, is there a coil or something on the inside?  We use is as a device extension (telescope hand paddle), our other couplers work?**
A: Cables can be straight-pinned or cross-pinned. 
As this was listed as straight, you may need cross-pinned.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***S on 26 January 2024*

Just what I needed, built solid.

### ⭐⭐⭐⭐⭐ Review
*by G***T on 31 December 2025*

Fonctionne très bien

### ⭐⭐⭐⭐⭐ Review
*by L***. on 3 October 2024*

Great for keeping free from tangling

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**Shop now:** [https://www.desertcart.vn/products/722008720-sinloon-rj11-coupler-rj11-female-to-female-6p6c-phone-coupler](https://www.desertcart.vn/products/722008720-sinloon-rj11-coupler-rj11-female-to-female-6p6c-phone-coupler)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-06-04*