Venus_DR-4020_使用说明书手册_2019

DR-4020 DUAL BAND QRP DIGITAL RADIOManualDR-4020MEM-02 DIG 11.0V4.04.0Band:20mRXQRP Radio for DigitalPWR点金科技VenusDR4020 is a 40m/20m dual-band radio for digital modes that requires a computer with specificapplications to use.It can be used in the popular FT8,FT4,JT65,as well as PSK31,SSTV andother modes.Specifications:Dimensions 88*38*124mm (buttons are excluded)Weights320GOperatingVoltage10-14VDCCurrent50Ma@RX,700-800mA(12V)eTXFrequency7.0-7.2MHz。14-14.35MHzFilter BW USB 400-2800HzOutput4-5W(12V)Memory5 memories per each band,user definedTX methodVOX,Control audio voltage:less than 30mVp,full power:70mVp @40m,120mVp@20m。The signal inputs and outputs have a 1:1 isolation transformer to electrically isolate the radio fromthe computer and reduce interference.