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Brainboxes

Brainboxes US-257 2-port Serial Hub

$127.41
$114.35 SAVE $13.06
1 availableas of 09/19/2026

Order within for shipment today

Should arrive by Wed, Sep 30 with free ground shipping

Country of origin

  • Origin: United Kingdom
Rated excellent by our customers Read our reviews

Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Overview

USB to Serial adapter providing two RS232 serial ports. Data transfer rates up to 921,600 baud rates and the 128 byte transmit and 384 byte receive FIFOS, coupled with 1Mbit line drivers deliver uncompromising performance on your laptop/PC. High retention USB port gives a secure connection.

Drivers for Windows 32 bit and 64 bit Drivers for Windows 32 bit and 64 bit Operating Systems including Windows 10, Windows 8, Windows 7, Server 2008, Vista, Server 2003 and Windows XP with additional drivers for Raspberry Pi, Mac OS X and Linux. Lifetime warranty and support.

More from the manufacturer

Technical specifications

General Information

Manufacturer Brainboxes Limited
Manufacturer Part Number US-257
Manufacturer Website Address http://www.brainboxes.com
Brand Name Brainboxes
Product Model US-257
Product Name 2 Port RS232 USB to Serial Adapter
Product Type Multiport Serial Adapter

Technical Information

Host Interface USB 2.0
Platform Supported PCLinuxMac

Interfaces/Ports

Number of Serial Ports 2

Physical Characteristics

Form Factor DIN Rail Mountable
Height 1.1"
Width 3.9"
Thickness 4"
Weight (Approximate) 3.84 oz

Miscellaneous

Package Contents
  • 2 Port RS232 USB to Serial Adapter
  • Installation CD Including Manual
  • Microsoft Signed Drivers & Utilities
Green Compliant Yes
Country of Origin United Kingdom

Warranty

Limited Warranty Lifetime

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Shipping and returns

Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

Need to send it back? Start a return online with a Request RMA and our team will take care of you. Keep the original packaging. Items must be returned in the condition received.

Questions about shipping or returns? Chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.