Synopsis As Introduced Amends the Small Wireless Facilities Deployment Act. Adds a definition for "source of radio frequency emissions". Provides that permit information must be provided to the Illinois Environmental Protection Agency (IEPA). Provides that an authority may require specified information concerning fiber optic cable. Provides that an authority or the IEPA may deny a permit if a provider has failed to provide sufficient evidence that an increase in emissions is needed. Removes a provision limiting an authority's jurisdiction over facilities located in an interior structure or upon the site of any campus, stadium, or athletic facility not otherwise owned or controlled by the authority. Adds provisions relating to trespass, preservation of private property, and federal defenses; compliance and recordkeeping; setbacks; and notice.