Integrated NANO into one,Charging and data integration into an integrated interface,Increase signal sensitivity by 2-3dB compared to the original one,Increase shielding cover to reduce interference in the receiving part,Add ADC battery voltage acquisition circuit,brand new and high quality. Use a 3.7v lithium battery.Support USB charging and downloading.output supports headset 3.5mm.Support 4ohm speaker 3W output.FM supports earphone antenna.Antenna interface uses BNC.Si4732 and si4735 are compatible. Users can change the chip by themselves, and the software is compatible. FM,AM (MW and SW) and SSB (LSB and USB);bandwidth filter 1,1.8,2,2.5,3,4,6kHz;22 commercial and ham radio bands preconfigured;BFO Control;Frequency step switch (1,5 and 10KHz); ATS-20 Plus Si4732 AM FM Radio: The shortwave radio with ssb is an upgraded version of the ATS-20 radio that adds a Type-C input. It can receive FM, AM(MW &SW), LW, SSB(LSB & USB). The also features a radio search function, which supports broadcast search and direct frequency input on the numeric keyboard. The HAM band quick channel is another added feature that allows for easy access to HAM radio channels. Long Lasting Enjoyment: The ham radio hf receiver is ensured by the built-in large-capacity lithium battery, which provides extended usage time without the need to worry about sudden power failure. The included Type-C cable can be used to charge the device (maximum 1.5A charging current). Colour:Black Material:plastic Package Contents: 1 x Radio Receiver 1 x Antenna 1 x Type-C Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.