USB to Infrared IrDA Adapter

Add an IrDA infrared data port to a computer through USB

Product ID: USB2IR3

  • Compliant with IrDA v1.1 with support for FIR, MIR, SIR and ASKIR modes
  • IR communication range up to 1m (3.3ft)
  • Powered directly from the USB port
  • Infrared Link/Activity LED indicator


The USB2IR3 USB to IR Adapter turns a USB port into an IrDA compliant infrared port for communication with a wide variety of IrDA compliant devices, such as PDAs, cell phones, test equipment and medical instruments.

A compact and low-powered design that works over a range of up to 1 meter, line of sight, and supports FIR (4 Mbps), MIR (1.15 Mbps), SIR (115.6 Kbps) and ASKIR (56 Kbps) modes for compatibility with a wide range of infrared devices.

The USB-IR adapter is backed by a 2-year warranty and free lifetime technical support.

The Advantage

  • Support for FIR, MIR, SIR and ASKIR modes ensures broad compatibilty with IrDA devices, in a compact and portable form factor
  • Line of sight communication range of up to 1 meter, suitable for the most commonly used infrared devices
  • Backed by a 2-year warranty and free lifetime technical support
  • The infrared adapter is powered through the USB connection, which enables you to use the adapter without an external power source/adapter


  • Create a wireless infrared connection between an IrDA-enabled portable device and a USB-enabled computer, for a simple way to transfer photos/files
  • Retrieve data from older IrDA-capable devices such as handheld PCs/PDAs, cell phones, digital cameras, etc.
  • Downloading data from IrDA-enabled medical equipment or industrial test equipment

Technical Specifications

Warranty Information
Warranty 2 Years
Chipset ID Sigmatel - STir4200
Industry Standards IrDA v1.1
Interface USB 1.1
Maximum Data Transfer Rate FIR: 4 Mbps
MIR: 1.15 Mbps
SIR: 115 Kbps
ASKIR: 56 Kbps
Type and Rate USB 1.1 - 12 Mbit/s
Connector Type(s) 1 - IrDA (Infrared, SIR/FIR)
1 - USB Type-A (4 pin) USB 2.0 Male
OS Compatibility Windows® 8 / 8.1 (32/64bit), 7 (32/64), Vista(32/64), XP(32/64), 2000
Special Notes / Requirements
System and Cable Requirements Available USB port
LED Indicators 1 - Link/ Activity
Power Source USB-Powered
Humidity 75% RH
Operating Temperature -10°C to 50°C (14°F to 122°F)
Storage Temperature -25°C to 80°C (-13°F to 176°F)
Physical Characteristics
Color Silver
Enclosure Type Plastic
Product Height 0.4 in [10 mm]
Product Length 2 in [50 mm]
Product Weight 0.2 oz [6.3 g]
Product Width 0.7 in [18 mm]
Packaging Information
Package Quantity 1
Shipping (Package) Weight 2.9 oz [81 g]
What's in the Box
Included in Package 1 - USB to IR Adapter
1 - Driver CD
1 - Instruction Manual


View full OS compatibility
Windows® 8 / 8.1 (32/64bit), 7 (32/64), Vista(32/64), XP(32/64), 2000