Is a SIM card required? Orbic 400L

[thezfunk]

I can't seem to find a straight answer. That may be on me if the info exists somewhere and I missed it.

Is a SIM card required? Will it still detect without one? If one is, does it have to be a Verizon SIM?

[cooperq]

https://efforg.github.io/rayhunter/faq.html