The Wifi Router which came with the Z21 has to be used as the signal from the Z21 will be sent to the router and the iPad/iPhone/Android OS will need to connect to a pure signal which is also connected with a password from the Z21.
I think you will have to wait for it to arrive and in the manual it will be explained.
Here is the link to the manual:
And here is the website for all downloads for Z21 as I do not know if you have the white one or black one ( z21 or Z21 )
Regards and Good Luck