Simplex Repeater Controller (190-0345) Features Faxback Doc. # 50491 Your RadioShack Simplex Repeater Controller extends the range of your Business Band or Amateur Radio system. It easily connects to many 2-way radio transceivers and automatically records what the transceiver receives (up to 30 seconds), then keys the transceiver and retransmits the recorded transmission. It is simple, compact, and easy to carry and use. You can use the repeater to extend the range of many RadioShack and other handheld Amateur Radio and Business Band transceivers that have external microphone/speaker jacks. It is also compatible with Icom, Yaesu, Alinco, Standard, and other transceivers. The repeater has these features: Receive Signal Indicator - lights to show that the connected transceiver is receiving a transmission and the repeater is recording. Low Power Circuitry - automatically enters a very low power mode between transmissions. (EB 11/03/98)