Retevis RB20 Manuel D'utilisation page 9

Platform Instruction
4G LTE smart PTT management platform
Click: Platform website. Using the account and password to enter in, you will find the interface as below:
I: For second level admin, which can not add the device, can only creat the third admin or deal with the order
issue.
II: for third level admin
1. Add the admin, and set the Terminal Number
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