1. Support the 2.4-inch touch screen function 2. Support broadcast search 3. Support digital keyboard direct input frequency 4. Support HAM band fast channel 5. Support AM bandwidth: 1-6k Support SSB bandwidth: 0.5 -4.0k The functions of version 4.17 are as follows: Built-in Morse code and digital communication decoder and other functions 12-digit license key Registered version, software supports subsequent upgrades Support Bluetooth function Increase battery capacity to 4000 mAh for ultra-long battery life HI-Z antenna input impedance LNA function Built-in band-pass filter circuit to shield interference PSK mode in DIGI mode, unique to Decoder products Support CW and other decoding functions Support 50ohm mode Built-in and external full-range speakers provide better stereo sound. Brightness adjustment and other functions Imported BNC-interface Silent mode frequency band and time display swap Battery percentage display Radio frequency spectrum scanning function Battery voltage display Backlight brightness adjustment Backlight off Frequency Range: FM: 64-108MHz/RDS function LW: 153-500KHz MW: 520-1710kHz SW: 1730-30000KHz SSB: 17030kHz Colour:Black Material:Aluminum alloy Package Contents: 1 x Radio Receiver 1 x Radio Antenna 1 x WIFI Antenna 1 x Touch Pen 1 x Usb Cable 1 x Mat 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.