---
product_id: 1855358
title: "US Robotics 56K USB Soft Modem - Fax/Modem (USR5639)"
brand: "usrobotics"
price: "₩2957"
currency: KRW
in_stock: false
reviews_count: 6
url: https://www.desertcart.kr/products/1855358-us-robotics-56k-usb-soft-modem-fax-modem-usr5639
store_origin: KR
region: South Korea
---

# V.92 high-speed 56K dial-up Plug & play USB convenience Broad Windows 64-bit compatibility US Robotics 56K USB Soft Modem - Fax/Modem (USR5639)

**Brand:** usrobotics
**Price:** ₩2957
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Stay connected the classic way—fast, reliable, and hassle-free!

## Quick Answers

- **What is this?** US Robotics 56K USB Soft Modem - Fax/Modem (USR5639) by usrobotics
- **How much does it cost?** ₩2957 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/1855358-us-robotics-56k-usb-soft-modem-fax-modem-usr5639)

## Best For

- usrobotics enthusiasts

## Why This Product

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

## Key Features

- • **Blazing V.92 Speed:** Experience reliable 56K dial-up speeds perfect for legacy systems and POS solutions.
- • **Pulse Dial Control:** Eliminates timing issues common in soft modems for smooth, uninterrupted calls.
- • **Smart Ring Detection:** Avoid false wake-ups with advanced ring qualification technology.
- • **Rock-Solid Compatibility:** Works flawlessly across Windows versions including 64-bit and server editions.
- • **Seamless USB Plug & Play:** Effortless setup with universal USB connectivity—no drivers headaches.

## Overview

The US Robotics 56K USB Soft Modem (USR5639) delivers dependable V.92 dial-up speeds with USB convenience, broad Windows compatibility, and advanced features like smart ring detection and pulse dial control, making it ideal for professional POS setups and legacy networking needs.

## Description

The USRobotics 56k USB soft modem delivers the performance and reliability USRobotics is known for in a compact, cost effective form factor. Broadly compatible with Windows including 64-bit and server systems, the modem uses the CPU of the host computer for High compression throughput due to direct parallel access. Features include Ring detection and qualification - eliminating unintended wake-on-ring events due to activity on the phone line other than ringing, as well as handling Pulse dial control to eliminate system timing dependencies common with soft modems. The USRobotics USB soft modem is fully compatible with V.92 and lower rates, making it ideal for compact POS solutions that only require V.34.

## Features

- USB convenience and ease of use
- Advanced Features and functionality
- Get the speed you need
- Simple Installation
- Excellent compatibility
- The USRobotics USB Softmodem is fully compatible with V.92 and lower rates, making it ideal for compact POS solutio
- Broadly compatible with Windows including 64 bit and server systems, the modem uses the CPU of the host computer for high compression throughput due to direct parallel access.
- Features include ring detection and qualification - eliminating unintended wake-on-ring events due to activity on the phone line other than ringing, as well as handling pulse dial control to eliminate system timing dependencies common with soft modems.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Wireless Type | 802.11bgn |
| Brand | USRobotics |
| Item model number | USR5639 |
| Hardware Platform | PC |
| Operating System | Windows |
| Item Weight | 5.6 ounces |
| Product Dimensions | 6.4 x 5.2 x 0.8 inches |
| Item Dimensions  LxWxH | 6.4 x 5.2 x 0.8 inches |
| Color | Black |
| Department | wired networking |
| Manufacturer | US Robotics |
| ASIN | B009019KR4 |
| Is Discontinued By Manufacturer | No |
| Date First Available | August 20, 2012 |

## Product Details

- **Brand:** USRobotics
- **Connectivity Technology:** USB
- **Compatible Devices:** Personal Computer
- **Color:** Black
- **Number of Ports:** 2

## Images

![US Robotics 56K USB Soft Modem - Fax/Modem (USR5639) - Image 1](https://m.media-amazon.com/images/I/51uBQCNitoL.jpg)

## Questions & Answers

**Q: Can I send pdf files with this modem? Does it support windows 7 64 bit? Can I use it as a phone dialer and be able to speak hands free through the pc?**
A: This is a fax modem.  As such it will connect with a fax machine on the other end through a telephone line.  This modem supports Windows 7 but not Window 8 (unless something has changed), even though USR says 8 is supported.  Model 5639 does not support voice.  Go to the US Robotics web page, all the answers are there.

**Q: Does it have the "wake on ring" function (so that I can receive fax from stand-by/hibernation mode)?**
A: This is a really great question, so I will check and answer it... In Windows 8.1 (which should be the same for XP and up), has 2 checkboxes in Power Management under Device Manager.. One to allow the computer to turn off to save power (disabled by default), and Allow this device to wake the computer (checked by default.)So, Yes. and it appears to be activated by default (which I wasn't expecting.) and based on this, it can be changed as desired..However, without testing, I don't know (but highly doubt) if it would come out of hibernation, so it would have to be sleep, or a hibrid (if it works.) --OR-- have a power scheme that allows the processor to run 1% on it lowest, saving power, but allowing the modem and any answering machine/fax software the ability to run normally, and minimize the amount of heat coming from the computer..Hope this helps, and good luck.

**Q: Does this work with 32/64 XP?  Does it have driver disks?**
A: no it dosen't work i have a 32/64 xp and it did not come with a driver disc so don't know how it's suppose to work. it's say's built in but it won't dial up.

**Q: I have a dell inspiron 3647 windows 10, will this work for dial-up instead of paying for dsl?**
A: When I first upgraded to Windows 10 on my Lenovo Yoga 2, it did work. Since some updates, however, I am having trouble getting it to stay connected to the Internet, though I use it infrequently when I am having wifi problems. Sometimes with 8.1 the port would suddenly block the modem, but resetting dial-up connections would solve the problem. It seems more frequent with Windows 10. But then I am having battery driver incompatibility issues with Windows 10 since one of the updates that is affecting some other systems, so I can't be sure what the root cause of the modem troubles is. Sorry I couldn't give you a definitive answer!

## Customer Reviews

### ⭐⭐⭐⭐⭐ Economical solution if you're stuck with dial-up and a modern PC
*by M***B on September 11, 2014*

Worked nicely with WinXP after first installing the drivers. On Win7, it installed automatically without using the driver disk. BUT, a Win8 machine was another matter. The install proceeded automatically and everything appeared normal, even the modem squawks, squeals, and beeps, but the connection would fail every time. I emailed U.S. Robotics customer support and within a few days and 2 emails, they provided the answer concerning USB 3.0 ports. I disabled the USB 3.0 features in the BIOS setup of the laptop and that did the trick!

### ⭐⭐⭐⭐⭐ worked great for dial-up
*by N***N on April 8, 2014*

So I did a lot of research on the best and easiest modem to get for my parents who unfortunately still use dial-up; based on the other reviewers I went ahead and purchased this one and it worked perfect. The plug-and-play was so easy, it installed itself but I did download the drivers off the US robotics website just in case. It's small and takes up no space which is perfect and connected to the internet without any trouble. So for others looking for a dial up modem, this is your best bet! Its affordable and simple to use. For reference, my parents have a HP desktop, with Windows 7 and use Netzero.

### ⭐⭐⭐⭐⭐ Worked right out of the box
*by T***F on January 28, 2016*

Came right up on my 64 bit, Windows 10 computer. Using the Scanner and Fax software that is bundled with Windows 10. Tested using HP's Fax test number (google it for testing any fax modem or machine) and was able to send and receive a test fax without any problem. Make sure you plug the device into a powered USB port. Some USB ports on computers or USB hubs are not powered. No set-up required other than setting options on the Windows Fax software. Great product.

## Frequently Bought Together

- USRobotics US USB Softmodem Fax Modem
- StarTech.com USB 2.0 Fax Modem - 56K External Hardware Dial Up V.92 Modem/Dongle/Adapter - Computer/Laptop Fax Modem - USB to Telephone Jack - USB Data Modem - Network Fax/CMR/POS, TAA (USB56KEMH2)

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**Shop now:** [https://www.desertcart.kr/products/1855358-us-robotics-56k-usb-soft-modem-fax-modem-usr5639](https://www.desertcart.kr/products/1855358-us-robotics-56k-usb-soft-modem-fax-modem-usr5639)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-03-03*