Listen Technologies LS-53-216 - Listen iDSP Prime Level I Stationary RF System (216 MHz)The LS 53 Stationary 216 MHz RF System from Listen Technologies is a complete package that makes it quick and easy to offer a single channel assistive listening solution to clients, customers, visitors, and more. The LS 53 includes our LT 800 216 216 MHz Stationary RF Transmitter and four (4) high performance LR 4200 216 iDSP receivers, as well as all of the accessories needed to provide assistive listening right away. The included telescoping antenna