[DXZone] com0com Null-modem emulator
 

The DXZone.com Amateur Radio Internet Guide

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com0com Null-modem emulator

Posted:
https://www.dxzone.com/dx34289/com0c...emulator-.html

Software/Virtual Serial Port
The Null-modem emulator is an open source kernel-mode virtual serial port
driver for Windows, available freely under GPL license.Allows you to create
an unlimited number of virtual COM port pairs and use any pair to connect
one COM port based application to another.