Technically, it's perfectly legal under FCC regulations. https://www.fcc.gov/media/radio/low-power-radio-general-information https://www.fcc.gov/media/radio/lo

Technically, it's perfectly legal under FCC regulations. https://www.fcc.gov/media/radio/low-power-radio-general-information https://www.fcc.gov/media/radio/low-power-radio-general-info... Looks like India doesn't permit it, but is looking at doing so (at least, for some purposes): https://trai.gov.in/notifications/press-release/trai-releases-consultation-paper-issues-related-low-power-small-range-fm https://trai.gov.in/notifications/press-release/trai-release...