HI Guys, What are the differences Vx420-G2h (AX5400) Version V1.1 and V2 hybrid modem below? I understand, V1 has two outside 4G antennas and V2 4G antennas are embedded inside. What else? like 4G ban

I have the Archer VR2100V DSL Router and want to connect and use Fax with it. I bought an Epson all in One Printer. Currently I was only able to send a fax to a 0180 number in Germany successfully - e