New road rules are being introduced regulating the use of a range of portable, wearable and inbuilt devices while driving a vehicle or riding a motorbike. The rules expand and clarify a number of rules already in place for mobile phones, and take effect on 31 March 2023.
https://content.legislation.vic.gov.au/sites/default/files/2023-02/23-007sra-authorised.pdf NEW ROAD RULES
Its ok to use a H/H in the car
I guess that rules out using a handheld radio or mic/ptt unless parked?