I have not previously read that the only way it worked was if you purchased the $150/month Winegard service... might be true, but never heard that.
However, most of us dont find that WIFI is an acceptable level of service about anywhere that we travel.... I have an unlimited ATT account, and now an unlimited Visible (Verizon) account and WIFI seems so 2005....
Gary and Dee, Zowie and Bowie (traveling cat sibs)
2019 Cornerstone 45B, X15-605hp, Imperial, Spartan K3,
2013 Honda CR-V toad, Demco Excali-Bar II,
Demco Baseplate, Demco Toad Light system, 73 de W5Fi