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    Zigbee testing RF, how to fill in the channel and frequency?
    What is CMIIT ID?
    What is the approval code for the wireless transmission module of the WBR3 module?
    Can the authentication module be programmed with finished firmware?
    Can the BT3L-A module customer's FCC certification refer to Tuya's certification?
    Do I need to purchase a certification module for SAA certification?
    What is the difference between restrictive modules and integrity modules?
    Does the module have an ISED certificate?
    For CBU module FCC certification, should I choose a restricted module or an unrestricted module?
    How to purchase the fixed frequency module quantity for customer certification?

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