What is the difference between standard license and Pro license?

With the standard can I still use javascript?
Does Pro add the ability to send commands and feedback to devices using javascript?

[ - ] With the Device or Site License without "Pro" functionality you cannot use events:
EVENT_RECEIVE_TEXT
EVENT_RECEIVE_DATA

other script functions is work.

[ + ] With the Device or Site License with "Pro" functionality, you can use all the iRidium API

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