This kit provides everything you need to accommodate individuals for hearing accessibility in a small-group settings such as libraries, conference rooms and information desks. This portable, easy-to-use FM system operates at 72-76 MHz on one of 17 selectable channels. This single kit satisfies ADA requirements for multiple-room facilities. NOTE: The FM ADA Compliance Kit is approved by the FCC for operation in U.S. markets. The system cannot be used in all countries. Check with your government#180;s radio regulations for 72-76 MHz operation. Disclaimer: FCC rules limit use of this equipment to auditory assistance.