---
product_id: 57328459
title: "US Robotics 56K USB Softmodem; 56 Kbit/s; USB; 0-50 °C; 20-80%; -20-70 °C; 45 g (USR5639)"
brand: "us robotics"
price: "€ 0.04"
currency: EUR
in_stock: false
url: https://www.desertcart.pt/products/57328459-us-robotics-56k-usb-softmodem-56-kbit-s-usb-0
store_origin: PT
region: Portugal
---

# 56 Kbit/s Speed USB Interface 0-50 °C Range US Robotics 56K USB Softmodem; 56 Kbit/s; USB; 0-50 °C; 20-80%; -20-70 °C; 45 g (USR5639)

**Brand:** us robotics
**Price:** € 0.04
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Connect with Confidence!

## Quick Answers

- **What is this?** US Robotics 56K USB Softmodem; 56 Kbit/s; USB; 0-50 °C; 20-80%; -20-70 °C; 45 g (USR5639) by us robotics
- **How much does it cost?** € 0.04 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/57328459-us-robotics-56k-usb-softmodem-56-kbit-s-usb-0)

## Best For

- us robotics enthusiasts

## Why This Product

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

## Key Features

- • **Humidity Resilience:** Withstand humidity levels of 20-80%, ensuring reliable performance in diverse settings.
- • **Compact and Lightweight:** Weighing only 45 g, this modem is portable and easy to integrate into any workspace.
- • **Plug-and-Play Simplicity:** USB interface ensures effortless installation—just plug it in and go!
- • **Versatile Operating Conditions:** Designed to perform in a wide temperature range of 0-50 °C, making it ideal for various environments.
- • **Unleash Lightning-Fast Connectivity:** Experience blazing speeds of 56 Kbit/s, perfect for seamless browsing.

## Overview

The US Robotics 56K USB Softmodem (USR5639) offers a reliable 56 Kbit/s connection through a user-friendly USB interface. It operates efficiently in temperatures ranging from 0 to 50 °C and can handle humidity levels between 20-80%, making it a versatile choice for both home and office use.

## Description

The USRobotics 56K USB Softmodem 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 Softmodem is fully compatible with V.92 and lower rates; making it ideal for compact POS solutions that only require V.34.

## Features

- Modem speed: 56 Kbit/s
- Interface: USB
- Modem (RJ-11) ports: 1
- Operating temperature range (T-T): 0 - 50 °C
- Operating relative humidity range: 20 - 80 %

## Images

![US Robotics 56K USB Softmodem; 56 Kbit/s; USB; 0-50 °C; 20-80%; -20-70 °C; 45 g (USR5639) - Image 1](https://m.media-amazon.com/images/I/31teuTSJsKL.jpg)

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**Shop now:** [https://www.desertcart.pt/products/57328459-us-robotics-56k-usb-softmodem-56-kbit-s-usb-0](https://www.desertcart.pt/products/57328459-us-robotics-56k-usb-softmodem-56-kbit-s-usb-0)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-04-23*