Looking at the modem support list for the Surf SOHO, it doesnt appear the newest 3+ year old Verizon/Novatel modem is not yet supported. The MiFi U620 is listed as supported in v1019 but is no longer sold by Verizon. The newest version USB730L appears to be very similar (supports more bands/channel bonding) – what is the likelyhood of verified support for the USB730L?
I have compared the commands and they are similar – both are available for download as pdf:
I have some aging equipment that needs replacing and the USB730L modem is the best option.