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HW VSP

Free - HW group
HW VSP adds a virtual serial port (COM5) to the system and redirects all
communication over TCP/IP to remote IP address. HW VSP is free in
unlimited version, it supports Windows 2000 and XP. HW VSP works with any
TCP/IP device, it can work as a TCP server as well as a TCP Client.
HW VSP supports remote RS232 port control (speed, parity, stop bits,
etc..) over the RFC2217 (NVT).
port, serial, rs232, device, data, testing, emulator, global positionning system, gpgga, speed, heading, gpgsv
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COM Port Stress Test

Free - AGG Software
If you are puzzled by having to stress-test COM/RS232 ports and see no easy way to do that, make sure you don't miss COM Port Stress Test, as it does exactly what you need! COM Port Stress Test is a compact and affordable tool for testing COM, RS232 and RS485 (with converter) ports that generates an extremely fast data stream with alternating baud rate, flow control, RTS and DTR states. Try this software now and you won't be disappointed!
gps source code module, gps decoder, fleet tracking, nmea decoder, asset tracking, navigatoin, gpgsa, course, nmea sentence, gprmc, nmea 183, telematics
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HS NMEA GPS C Source Library

Free - Hillstone Software
HS GPS is a software library (with full C source code) which provides access to a NMEA-183 compliant GPS receiver via a serial communications port, decoding NMEA sentences: $GPGGA, $GPGSA, $GPGSV, $GPGLL, $GPRMC and $GPVTG. Decoded parameters include: time, date, position, altitude, speed, course and heading, according to standard - NMEA-183 (National Marine Electronics Association, Interface Standard 0183.)
altitude, gpvtg, gpgll, system, stress test, com port, view, packet, analysis, monitoring, analyzer, activity
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COM Port Data Emulator

Free - AGG Software
As a software or hardware engineer, you may often face situations when you need information about the ability of communication ports on a typical end-user system to handle large flows of data. If looking for a reliable and affordable COM port testing and analysis tool, look no further than COM Port Data Emulator! It was created for emulating a COM or Ethernet device, generating a data stream and sending it to a specific serial (COM) port.
viewer, connection, modem, traffic, transfer, reader, test, capture, sniffer, ports, monitor, analyze
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TVicPort

Free - EnTech Taiwan
TVicPort is set of general purpose device drivers that allow you to access and control hardware directly from without using the Windows DDK. TVicPort's main capabilities are:
- direct port I/O access;
- obtains pointers to the physical memory;
- advanced LPT support including access to any pin on any LPT port;
- access to IDE HDDs hardware manufacturer information.
- Windows XP 64-bit support.
communication, splitter, virtual, windows, redirect, client, pair, server, connect, barcode, serial wedge software, redirect serial to tcp
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NCD Device Development Lib

Free - National Control Devices
NCD Devices Development Lib supply powerful ActiveX for all NCD devices.
NCD relay controllers allow computer controlled switching from the RS232 serial port of a microcontroller or computer.
NCD video switchers allow computer controlled multiplexing of audio or vide signals from the RS232 serial port of your computer.
rs 232 to keyboard converter, ethernet to keyboard, wedge, soft keyboard wedge, serial to keyboard converter, tcpip to keyboard, keyboard wedge software, rs485, hardware, memory, serial port emulation, serial over ip
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