Serial Port Sniffer ActveX Control monitors and edits data flows of serial ports - Windows Shareware $190.95. Serial Port Sniffer is a powerful advanced ActiveX Control that allows your application to sniff (fully monitor and edit data flows) serial port in your system. Serial Port Sniffer ActiveX Control detects all serial port activity in your system, all applications that work with serial port and all the data that is being sent and received can be easily monitored with Serial Port Sniffer ActiveX Control within your own application.

Some of the features are: Allows to monitor and edit serial data streams directly from your application; Unique ActiveX Control - no need to use additional software for monitoring; Wide selection of supported events, methods and properties; Control lines support (DTR, RTS, CTS, RTS); No reboot required during installation and implementation; Usage examples for Microsoft VC++ and Microsoft Visual Basic included.