Need Help! How Do You Connect a 3G USB Dongle to Android Tablet with Micro USB Port ?

[rileyswave]

HAVE A BRAND NEW MODEL ANDROID 7” TABLET – AINOL NOVO 7 FIRE – WITH A MICRO-USB PORT

And I have a USB 3G DONGLE – (TO CONNECT TO A WIRELSS GSM CARRIER-ATT/TMOBILE) -- What adapter is Needed to connect these two devices - be specific with URL of where I can purchase Online - thanks

ALSO - is there such a thing as a micro-usb 3g dongle - so I don't have to use any adapters?