Listen Technologies LS-71-216 iDSP Stationary RF SystemThe LS 71 216 MHz Stationary RF System from Listen Technologies is the perfect high capacity assistive listening solution for permanent installations. Offering coverage up to 914. 4 m (3,000 ft.) for venues handling as many as 100 visitors or clients, the complete package includes our LT 800 216 Stationary RF transmitter and four of our high performance LR 5200 216 iDSP receivers, as well as everything required for immediate assistive listening. The