Koolenry MX-S3 100W DC-60Mhz SDR Switch SDR TX RX Switch to Add Spectrum Display to Your Old Transceiver

During transmission, the SDR audio signal is and the audio signal is . The MX-S1 consists of two separate circuit boards: the Audio Switch - which performs the audio path switching and is also responsible for controlling the ANT switch, and the ANT switch - which is shielded and contains the antenna relay and receive input limiter. If a separate receive antenna is used, the SDR is fully protected during transmission. allows the SDR and to use the same antenna at the same time. In receive mode, the SDR is connected to the antenna, while in transmit mode, the SDR is disconnected from the antenna and grounded. Double fault SDR input protection in case of antenna relay failure. High power input limiter for limiting high currents and keeping the SDR input voltage at a safe level.