YES! – it’s legal, as the only Australian/NZ 433.92MHz LIPD ISM regulatory restriction is that the transmitter should not exceed 25mW EIRP (Effective Isotropic Radiated Power).
Read moreWhich is better 2.4 GHz or 5GHz WiFi?
A 2.4 GHz connection travels farther at lower speeds, while 5 GHz frequencies provide faster speeds at shorter range . Your choice of 2.4 GHz or 5 GHz will depend on where and how you use your WiFi connection most.
Read moreHow do I know if my WiFi is 2.4 or 5?
From your smartphone’s Wireless settings page, look at the names of your Wi-Fi networks.
Read moreHow many channels are available in the 2.4 GHz WiFi spectrum?
The 2.4GHz band is broken up into 11 channels (1-11), each 20MHz wide.
Read moreHow do I change my WiFi to 2.4 GHz?
To connect your Android device to a 2.4 GHz network:
Read moreHow do I enable 2.4 GHz on my spectrum router?
Instructions
Read moreHow do I separate my 2.4 and 5GHz spectrum?
The frequency band is changed directly on the router:
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