SDR Transceiver and Receiver Switch Antenna Sharer TR Switch Box with Gas Discharge Protection 160MHz
Specification Impedance 50ΩFrequency range DC 160MHzMaximum TX power 100WRF sense threshold 10mW 1 8MHz 30MHz tested ON time 20ms Release time 190msInsertion loss 0 3dB 144MHz 0 2dB typical RX isolation 38dB 144MHz 40dBtypical Gas discharge protectionPower supply 13 8V DC 200mAWeight 430gSize 126 119 52MMHow to use one antenna at the same time for the radio and SDR 1 This sharer is a shared antenna between the radio and the SDR After receiving the goods open the box remove the jumper in the middle and change it to an automatic control state that is when the radio is transmitting the SDR receiving channel is automatically closed and the radio When not transmitting the radio receives the signal together with the SDR 2 The jacks in front of the panel do not need to be wired and the distributed PTT line does not need to be connected 3 The rear jacks correspond to the power supply VDC interface the radio RADIO interface the SDR interface and the antenna ANTENNA interface respectively and connect to the feeder according to each interface 4 It is recommended to use the feeder with good shielding performance and cover it with a magnetic ring 5 It is recommended that the sharer and the radio shell be grounded because the radio may interfere with the SDR when transmitting 6 After removing the jumper in the box it is normal that the TRXlight on the panel is always on red when the radio is not transmitting the SDR on the panel is