Features
•  Fully compliant with USB specification V2.0 Supports the •  RS232 serial interface Supports automatic handshake
mode
•   Over 1MB transfer rate
•  Supports 56K modems
•  IBM PC & Mac compatible
•  Supports remote wake-up and power management
•  USB Bus-powdered, no external power adapter required •  No need to install an Add-on card, no more IRQ conflicts

System Compatible:
۱٫ Pentium-class CPU with USB port PC
۲٫ ۱ available USB type A (downstream) port
۳٫ Computer Running: Windows 11, 10, 8, 7, Vista, XP (۳۲/۶۴-bit) Auto-download driver via Windows Windows Vista, XP driver technical support are discontinued Mac OS X Linux OS Android

Announcement
۰۵/۲۳/۲۰۲۲ 
Recently we have got some emails from Omega customers regarding USR2309 , USB to RS232 and they sent some picture of counterfeit production to confirm originality.
Unfortunately all of those are counterfeit and low quality and not produced by Omega Technology INC.
For supporting our valuable customers and to make it clear, Omega Technology INC. announce that our last production of USR2309 ( USB to RS232) has done in June2021 and you can see photos at below. we will update this post later regarding our newer production. Any other similar production is counterfeit and we have no responsibility of any data losing and device damage if using those counterfeit products. We also have sent pictures of those counterfeit productions to all our Agents to be aware of it.