Unlicensed means the operator of the radios does not need to file directly with the FCC to use the radio. The three frequency bands used for this in the U.S. are the 900 MHz, 2.4 GHz and 5.8 GHz .
Read moreIs 433MHz legal in India?
433 MHz is not license free in India . Only 865 MHz to 867 MHz and 2.4 GHz. You cannot use 433 MHz wireless devices in India.
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