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Virtual Serial Port Driver PRO
Split real serial ports to several apps

Serial Splitter lets you split and join serial ports, redirect the data from one port to another, and create complex port bundles. You can easily split one real port into many virtual ports in such way that multiple applications can get the same data from one port at the same moment. Serial Splitter works perfectly with real COM ports as well as with virtual ones.

Serial Splitter has also recently added yet another essential feature to its baggage - switcher. It can automatically determine the free port on the list of available COM ports and let the application to work with it. Moreover new Serial Splitter can log all events, which makes it easy to see which application opened the port and what parameters were used.
Thinking about integrating our functionality into your own industry-specific solution?
Our Port Virtualization Technology is just what you need. Thousands of successful companies worldwide have already experienced the undeniable benefits and advantages of powering their software and hardware products with our advanced technology.

Eltima Port Virtualization Technology

Common objectives and our solutions

Create unlimited number of COM ports pairs

Serial Port Splitter allows to create as many COM port pairs as you need. Virtual serial ports fully emulate real ones, so that applications don't see any difference.

One-to-many ports connection (split RS232 serial port)

Serial Splitter splits one RS232 port (real or virtual) into several ones, which are precise copies of the original port in the system. Serial Splitter will give you the possibility to split real COM1 into virtual COM2, COM3, COM4 ports. To create a pure virtual ports pair you might also try Virtual Serial Port Driver.

Many-to-many ports connection (complex bundling)

Serial Splitter gives you the possibility to manage complex bundles of COM ports. You will be able to set up connection between a number of real, virtual or both kinds of serial ports in either incoming or outgoing direction.

Many-to-one ports connection (join serial ports)

Eltima Serial Splitter can help you join a great number of RS232 COM ports into one serial port. Thus, a single application connected to the port at the OUT side of the bundle receives information from several devices.

Share serial port among applications

If you have a device, connected to one real port on your PC, that you want to send data to and receive data from several applications at one time, you can share COM port with this device (or maybe some station) among multiple programs.

Create ports switcher

Switcher makes working with an application that can work with limited quantity of ports easy. You simply have to specify the name of one virtual port in the application and create a switcher for it in Serial Splitter. As many available ports can be added to the swicher as you need and joined under one name, so that it will be easy for any application to connect to the port that is free at the moment without changing the port name in settings.

Merging COM ports

Establishing a communication between multiple serial devices or apps can become a real challenge. The new feature of RS232 Port Splitter is designed to address this problem. Now you can send the same serial data to multiple serial ports at a time. To achieve this, you just need to add all the required COM ports to a single serial port bundle which is not divided into In/Out sides. The data received by one joined interface will be sent to all the other ports simultaneously.

Full features list

Unique all-in-one functionality: split, join serial ports, redirect data
Share one real port among multiple applications
Create advanced ports bundles - combinations of real and virtual serial ports
Create as many virtual serial ports as you need
Full emulation of hardware control lines
Ports bundles are automatically configured every time you boot your PC, so you don't have to recreate them again
Serial ports are created and re-configured in real-time
Full support of wide range of GPS devices and software
Fully compatible with HyperThreaded and multi-processor systems
Bidirectional data transfer

Let's get started

Virtual Serial Port Driver PRO
Demo version limitations
• 14-day trial period
System Requirements
Windows 7/8/8.1/10 (32/64-bit), Windows Server 2012/2016/2019
Latest Update
Version 10.0.844 (23 Feb, 2021) Release notes