Well the S4 is an old phone so any newer jetpack would have access to more LTE bands. But in general a jetpack should have better antennas also you can put a jetpack near a window. battery life possibly
Foodman4u2, using Mobile Hotspot makes connecting with your devices easy. Comparing the two, using Mobile Hotspot on your mobile device can be interrupted when a call comes into your device. You can learn more about Mobile Hotspot here: https://www.verizonwireless.com/support/mobile-hotspot-faqs/ .
JoseL_VZW
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