---
product_id: 324432752
title: "SinLoon RJ11 Coupler RJ11 Female to Female 6P6C Telephone Inline Coupler Straight Telephone Cable Extension Adapter for Landline Fax Machine (Straight)"
brand: "sinloon"
price: "70.35 DT"
currency: TND
in_stock: true
reviews_count: 8
url: https://www.desertcart.tn/products/324432752-sinloon-rj11-coupler-rj11-female-to-female-6p6c-telephone-inline
store_origin: TN
region: Tunisia
---

# Fast Data Transmission RJ11 Compatibility Signal Protection SinLoon RJ11 Coupler RJ11 Female to Female 6P6C Telephone Inline Coupler Straight Telephone Cable Extension Adapter for Landline Fax Machine (Straight)

**Brand:** sinloon
**Price:** 70.35 DT
**Availability:** ✅ In Stock

## Summary

> 📡 Connect with Confidence!

## Quick Answers

- **What is this?** SinLoon RJ11 Coupler RJ11 Female to Female 6P6C Telephone Inline Coupler Straight Telephone Cable Extension Adapter for Landline Fax Machine (Straight) by sinloon
- **How much does it cost?** 70.35 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/324432752-sinloon-rj11-coupler-rj11-female-to-female-6p6c-telephone-inline)

## 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

- • **Durable Design:** Crafted with a thickened PBC board for enhanced durability and longevity.
- • **Compact & Versatile:** Small size fits perfectly in any setup, ideal for home or office use.
- • **Seamless Connectivity:** Easily join two RJ11 lines for uninterrupted communication.
- • **Eco-Friendly Materials:** Made from environment-friendly materials to protect internal components.
- • **High-Quality Transmission:** All copper plated gold needle core ensures superior sound quality.

## Overview

The SinLoon RJ11 Coupler is a premium inline adapter designed to seamlessly connect two RJ11 telephone lines. With its robust construction and high-quality materials, it ensures reliable data transmission without signal loss, making it perfect for home and office use. Its compact design and compatibility with various devices make it an essential tool for enhancing your communication setup.

## Description

Full description not available

## Features

- 【EASY EXTENSION 】Premium quality inline coupler for join 2 RJ11 (6P6C, 6P4C, 6P2C crystal head)telephone lines together and extend phone line connections with strong anti-interference ability.
- 【NO SIGNAL LOSS】Thickened PBC board, strong and durable, to avoid the problem exposed damage, high temperature resistant, longer service life, RJ11 6P6C Telephone Inline Coupler is used and helps to extend or repair existing patch cables.This inline coupler provides faster data transmission without any signal loss.
- 【SMALL AND EXQUISITE】 SinLoon RJ11 Coupler inline couplers are small and exquisite in size that provides a full range of solutions for voice, home networking, home office and audio.
- 【MATERIAL】High quality sound quality, all copper plated gold needle core, stable transmission signal. Good contact and transmission performance, provide a strong guarantee for stable data transmission, easy to use, convenient connection, no static or sound distortion.RJ11 Coupler plastic casing made of environment-friendly material to protect the internal chip structure, internal insulation, strong anti-interference ability and low signal attenuation coefficient.
- 【WIDE RANGE OF USE】Compatible with all RJ11 devices, such as landline phones, faxes or answering machines. Assistant for home, study, living room, bedroom, office, business meeting, home entertainment and study.

## Product Details

- **Compatible Devices:** faxes or answering machines, landline phones
- **Specific Uses For Product:** Telephone
- **Connector Type:** RJ11
- **Color:** black
- **Brand:** SinLoon

## Images

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

### ⭐⭐⭐⭐⭐ Works well
*by A***S on January 26, 2024*

Just what I needed, built solid.

### ⭐⭐⭐⭐⭐ Well Built Coupler
*by J***E on September 29, 2023*

I purchased this RJ12 Coupler to extend a short data cable and it worked as expected. It feels very well built and will purchase a couple more.

### ⭐⭐⭐⭐⭐ Works Well
*by W***L on October 29, 2024*

Product works as described, have not had any issues

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**Shop now:** [https://www.desertcart.tn/products/324432752-sinloon-rj11-coupler-rj11-female-to-female-6p6c-telephone-inline](https://www.desertcart.tn/products/324432752-sinloon-rj11-coupler-rj11-female-to-female-6p6c-telephone-inline)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-01-26*