---
product_id: 1289438
title: "25' FT FOOT BLACK PHONE TELEPHONE EXTENSION CORD CABLE LINE WIRE WITH STANDARD RJ-11 PLUGS"
brand: "boostwaves"
price: "฿887"
currency: THB
in_stock: true
reviews_count: 8
category: "Boost Waves"
url: https://www.desertcart.co.th/products/1289438-25-ft-foot-black-phone-telephone-extension-cord-cable-line
store_origin: TH
region: Thailand
---

# 25ft length for ultimate reach Standard RJ-11 connectors for universal compatibility Lifetime warranty ensures lasting durability 25' FT FOOT BLACK PHONE TELEPHONE EXTENSION CORD CABLE LINE WIRE WITH STANDARD RJ-11 PLUGS

**Brand:** boostwaves
**Price:** ฿887
**Availability:** ✅ In Stock

## Summary

> 📞 Stay connected, wherever you are—no compromises, just clarity.

## Quick Answers

- **What is this?** 25' FT FOOT BLACK PHONE TELEPHONE EXTENSION CORD CABLE LINE WIRE WITH STANDARD RJ-11 PLUGS by boostwaves
- **How much does it cost?** ฿887 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/1289438-25-ft-foot-black-phone-telephone-extension-cord-cable-line)

## Best For

- boostwaves enthusiasts

## Why This Product

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

## Key Features

- • **Trusted by Thousands:** Join over 2,500 satisfied users who rate this cable 4.6 stars for quality and performance.
- • **Built to Brave the Elements:** Crafted from premium materials with a lifetime warranty, this cable withstands wear and tear for years of reliable use.
- • **Extend Your Reach Seamlessly:** 25-foot cable lets you place your phone exactly where you need it—no more awkward stretches or missed calls.
- • **Lightweight & Low-Profile Design:** Easy to route and manage without adding bulk or clutter to your workspace or home setup.
- • **Plug & Play Universal Compatibility:** Standard RJ-11 connectors work effortlessly with all analog landline phones and wall jacks—no adapters needed.

## Overview

This 25-foot black telephone extension cord features standard RJ-11 female-to-female connectors compatible with all analog landline phones and wall jacks. Lightweight yet durable, it comes with a lifetime warranty and is designed for indoor use, making it the perfect solution to extend your phone line with confidence and style.

## Description

25ft foot phone line cords with connectors can be used with all 2 or 4 wire systems. The cord has a variety of possible uses, such as connecting two telephones devices together, connecting a telephone device to a wall jack, or as an extension cord.

Review: Telephone extension - Works well!
Review: Gets phone to where useful - Good quality. Select light color cord if crossing carpet so you don’t trip.

## Features

- Lifetime warranty - made from high quality material to last in weather conditions
- Connect two phone devices together or connect a phone to a wall jack
- Standard phone connectors on both ends

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B004BUVAS6 |
| Best Sellers Rank | #37 in Telephone Wires |
| Brand | BoostWaves |
| Brand Name | BoostWaves |
| Cable Type | Coaxial |
| Color | Black |
| Compatible Devices | Modem |
| Compatible Phone Models | Analog landline phones (specific models not listed) |
| Connector Gender | Female-to-Female |
| Connector Type | RJ11 |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.6 out of 5 stars 2,580 Reviews |
| Ethernet Cable Category | Cat 5 |
| External Testing Certification | Não Aplicável |
| Global Trade Identification Number | 00639725473938 |
| Indoor Outdoor Usage | Indoor |
| Item Shape | Round |
| Item Weight | 0.2 Pounds |
| Manufacturer | Unique Imports |
| Maximum Voltage | 48 Volts (DC) |
| Model | trisonicblack25feetcable |
| Model Name | trisonicblack25feetcable |
| Number of Pins | 6 |
| Other Special Features of the Product | Lightweight |
| Recommended Uses For Product | connecting telephone devices, extending telephone cords, connecting telephone to wall jack |
| Special Feature | Lightweight |
| UPC | 639725473938 604945285166 609728415785 609728415440 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** BoostWaves
- **Cable Type:** Coaxial
- **Compatible Devices:** Modem
- **Connector Type:** RJ11
- **Special Feature:** Lightweight

## Images

![25' FT FOOT BLACK PHONE TELEPHONE EXTENSION CORD CABLE LINE WIRE WITH STANDARD RJ-11 PLUGS - Image 1](https://m.media-amazon.com/images/I/71oaAumtR8L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Telephone extension
*by S***A on January 9, 2026*

Works well!

### ⭐⭐⭐⭐⭐ Gets phone to where useful
*by W***S on March 17, 2025*

Good quality. Select light color cord if crossing carpet so you don’t trip.

### ⭐⭐⭐⭐⭐ Good when a long phone cord is needed
*by B***N on October 24, 2025*

We recently installed a VOIP phone system and needed a good s5 foot wire since the phone jack was a distance from the modem. This 25 foot phone wire was perfect for the job.

## Frequently Bought Together

- 25' FT FOOT BLACK PHONE TELEPHONE EXTENSION CORD CABLE LINE WIRE WITH STANDARD RJ-11 PLUGS
- Power Gear Coiled Telephone Cord, 4 Feet Coiled, 25 Feet Uncoiled, Phone Cord works with All Corded Landline Phones, For Use in Home or Office, Black, 76139
- AT&T CL2940 Corded Phone with Speakerphone, Extra-Large Tilt Display/Buttons, Caller ID/Call Waiting and Audio Assist, Black

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.co.th/products/1289438-25-ft-foot-black-phone-telephone-extension-cord-cable-line](https://www.desertcart.co.th/products/1289438-25-ft-foot-black-phone-telephone-extension-cord-cable-line)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-24*