How to send byte like,?

Please send me a dump from sniffer to see outgoing data details.
Maybe I can found something wrong.
Try to send this 8 bytes:
72 43 91 ca b6 6f 01 00

I don’t know what this mean and how must I do?

Sniffer? maybe some software for packet monitoring?

and send that 8 bytes, how to?

Why don’t you ask the person who asks for it ? If he is asking for it, i’m sure he knows more about it.

This is not exactly a Unity question, if you consider using C#. In my opinion, this is your best option, as network programming is well documented in that language.

Maybe this explains:

There are other good tutorials out there. Try searching the web. Or Unity’s script reference.

you should use a sniffer to packet monitoring there are thousands of small programmes out there but on the other hand i can suggest you to compare that hex values in ascii table.