Disclosure: I work for a company in this field.
They are easy to jam if you don't mind also not having GPS, Wifi and 3G/4G/5G service. You can do selective jamming but this is much more sophisticated
They are easy to jam if you don't mind also not having GPS, Wifi and 3G/4G/5G service. You can do selective jamming but this is much more sophisticated
Disclosure: I also work for a company in this field.