Answer 1

Hi,

Information about antennas and where to attach them could be found here:

https://wiki.teltonika-networks.com/view/RUT955_Front_%26_Back_Panels

https://wiki.teltonika-networks.com/view/Mobile_Main_and_AUX_Antennas

https://wiki.teltonika-networks.com/view/Third-party_Antennas

EB.

Answer 2

You can also see it here and I hope this will help you out dragon ball z. 
https://wiki.teltonika-networks.com/view/Third-party_Antennas