I am assuming the following will work:

VOXL® 2 - Board Only - ECCN: EAR99, NLR VOXL Cellular LTE and USB hub add-on - V2 North American Carriers Sierra WP7610 VOXL & VOXL 2 Microhard Modem Add-on with USB Hub VOXL 2 WiFi Add-On Kit VOXL 2 USB3.0 / UART Expansion Adapter Wall Power Supply with 12V/3A XT60 Output