One MAC address per subscription although you may also use the numerical user name and password on a different device. You must ask in our chat support to set this up properly. We are not responsible for incorrect MAC addresses.  

Watch this video to see how to use our support chat.

You can access the chat thru the red button on the website or go here to sign up for a free telegram account. From this page you can pick to either use an app for a smartphone or tablet, or use the site through your web browser to access the support group. You will the invite link below after you get the Telegram app, (you may have to get it from your AppStore).

Chrome users:

The link to our main support chat is in every welcome email. The link for service updates channel is

Telegram Chat Support