Yes... you should be able to follow the various UWP networking guides to send data to other devices from the HoloLens. Here is a good primer to start looking at:
Note though, that you will have to come up with a way to wrap the data in a format that is meaningful to the device on the other device to receive and process.
If you are using a game engine such as Unity, there are also some built in networking features in addition to 3rd party plugins that help to make client network communication a bit easier