(a) A municipality that regulates the placement, screening, or height of radio antennas must reasonably accommodate amateur radio antennas. A municipality may require reasonable and customary engineering practices to be followed in the erection of amateur radio antennas. A municipality may impose only the minimum requirements relating to amateur radio antennas that are necessary to accomplish the legitimate purposes intended to be served by the requirements.

(b) A municipality may not restrict the number of support structures for an amateur radio antenna. Based on the most recently published United States census, a municipal restriction on amateur radio antenna height may not be lower than

(1) 200 feet above ground level as permitted by the Federal Communications Commission in an area with a population density of 120 or less per square mile;

(2) 75 feet above ground level in an area with a population density of more than 120 per square mile for an antenna on a lot that is smaller than one acre; or

(3) 140 feet above ground level in an area with a population density of more than 120 per square mile for an antenna on a lot that is one acre or larger.

(c) Subject to (a) and (b) of this section, a municipality may, by ordinance, impose requirements to meet clearly defined objectives relating to screening, placement, aesthetic, and health and safety factors with respect to the erection, maintenance, and operation of amateur radio antennas.

(d) An ordinance regulating or restricting radio antennas adopted under this section may not apply to a radio antenna that was erected before July 26, 2001.

(e) This section applies to home rule and general law municipalities.