A maximum of (6) connections can be used with the VidiU Pro at any time.
The VidiU Go has an additional USB port and due to this can have a maximum of (7) connections.
Ethernet : one (1) connection can be made to the Sharelink service
USB : one (1 - VidiU Pro) / two (2 - VidiU Go) connection(s) can be made to the Sharelink service with a supported USB device (USB modem, Wi-Fi hotspot that is enabled for USB tethering, etc.)
Wi-Fi: either (1) connection in Client mode, or up to (4) iOS or Android connections in AP mode, as described below:
When the VidiU Pro's Wi-Fi setting is in AP mode -- meaning it's creating its own Wi-Fi network -- you can use up to (4) iOS or Android devices with cellular data capabilities.
When the VidiU's Pro/Go's Wi-Fi setting is in Client mode -- meaning that it's connecting to another wireless network such as a mobile hotspot or a home or business router -- the VidiU Pro/Go will make a single connection to the Sharelink service. You cannot use any mobile devices with cellular data while the VidiU is in Client mode.
It's not required to use all connection methods simultaneously, you can mix and match based on your available connectivity.