UE4UDP (UDP Feature For UE4)
Only need to use the blueprints, you can send and receive UDP (User Datagram Protocol) messages. It is cross-platform and supports Unicode characters. The most important thing is that it is very easy to use.
Supported Engine Versions
4.20 - 4.25
This product contains a code plugin, complete with pre-built binaries and all its source code that integrates with Unreal Engine, which can be installed to an engine version of your choice then enabled on a per-project basis.