uSDX Handheld 15/20/40M 3 Band HF SSB QRP Transceiver Tri-Band Pocket Radio Compatible with uSDX QCX-SSB

Description uSDX is a portable QRP amateur radio shortwave transceiver with a miniature SDR architecture referring to the portable SDR model that redefines the appearance of uSDX It can be used as an introductory FT8 CW SSB learner where the SSB reception quality is good and the transmission quality is slightly worse Specification Frequency Range Receiving 0 5MHz 30MHz theoretically it can reach the limit of SI5351 Transmission 1 8 30MHzWorking mode CW AM SSBMinimum step 10HzAntenna Impedance 50ΩOperating temperature range 0℃ 50℃Power supply voltage 10 5 16V DC the negative pole is grounded Current consumption Receive 100mA MaxLaunch 1A MaxBody size 50 x 20 x 80mm W x H x L excluding protrusions Weight about 200g main unit only RF output power 0 1 5W SSB CW 0 1 5W AM carrier 13 8VDCHeadphone jack 1 is ground 2 and 3 are signalsMic and key multiplexing port definition In SSB mode the function of this socket is microphone 1 is ground 2 is microphone built in microphone here is external MIC 3 is PTT control panel integrated PTT control button name is XMIT In CW mode it is the key interface Please note that after switching back to SSB mode the key can be used as PTT transmission control and the MIC in the machine is invalid the plug is inserted into the MIC in the machine and disconnected Connection diagram with computer The figure below shows the PTT control circuit Antenna interface The antenna interface is SMA please connect a 50