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IR4002US (IrDA FIR PC-USB, Thumb-Size Adapter supports Mac, Windows 11/10/8.1/8/7/Vista, Windows CE/Linux, Windows server2003)

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-- Description --

Chip used in ACT-IR2002UL/IR4002US was EOL (End Of Life) in July 2017, and the remaining stock on the market dried up now. We stocked up, can guarantee your "plenty and fast" delivery for 10 years! This is judged from the forecast and product lifetime of our major worldwide corporate customers.

Wireless data transfer for PC's USB port

IR data rates from 9.6 Kbps to 4Mbps

Thumb-size USB-FIR (4Mbps) adapter, the smallest on the market

Supports Windows 11/10/8.1/8/7/Vista/XP (32 & 64 bit), Windows 2000/ME/98SE; Windows server 2003, Windows CE4.2&5.0, Linux and Mac10.2 (Power PC).
*Note: there is some issue with Mac OS IrDA stack, so please contact Tech-Support before buying for Mac OS.

For Windows 10/11(32-&64-bit) OS support:

Please contact ACTiSYS' T-S team by an email,, for Windows 10/11, 32-&64-bit OS workaround solution.
  1. We also have another solution for a long time, for your USB-to-IrDA adapter applications, our ACT-IR100UDv3-XX. It has been tested and approved by many major international customers!
  2. In the event future O.S. does Not support IrDA protocol, our adapter, ACT-IR100UDv3-XX solves it!
  3. In the event there is no more USB-to-IrDA adapter IC available, 10 years later (as indicated on ACT-IR2002UL/ ACT-IR4002US above, ACTiSYS Corp. has stock of such IC for 10+ years), our ACT-IR100UDv3-XX solves it!
*Note: please refer Note on IrComm issue on IR2002UL.

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