There appears to be no difference.

New Jetpack w/ SMS ALERT

Model:AC791LFirmware version:02.08.61.00Firmware build

date:2018/06/11Hardware version:2.0PRI version:000.053Web app

version:03.03.120.39MAC address:B0-B9-8A-B1-E5-4CWarranty date

code:10/24/2018 14:05.

Older Jetpack OK

Model:AC791LFirmware version:02.08.61.00Firmware build

date:2018/06/11Hardware version:2.0PRI version:000.053Web app

version:03.03.120.39MAC address:2C-30-33-3D-F4-A2Warranty date

code:07/03/2017 14:42

On Sun, Oct 28, 2018 at 4:30 PM vzw_customer_support <