AMNVOLT V3S Upgraded Version V4 ATS Mini SI4732 Radio All Band Receiver CNC Metal DSP AM FM SSB LSB USB Hi-Z Circuit

Note Starting in December 2025 shipped products will have a CNC metal V4 exterior while retaining the same V4 functionality Products shipped before December 2025 is not have the V4 logo but will still have the V4 functionality The only difference is the exterior version number This is hereby stated New Features From 2026 AMNVOLT V4 hardware natively supports H J Berndt firmware without extra soldering or motherboard modifications and ships with official firmware pre installed by default You need to flash the H J Berndt version manually after receiving the unit and this firmware developed by H J Berndt includes functions like RTTY CW decoding Important Note The device ships with official firmware pre installed by default If you need to use the H J Berndt version you need to flash it yourself after receiving the V4 unit About this firmware Developed by H J Berndt this firmware is equipped with multiple functions including RTTY CW decoding Specifications Shell Material CNC MetalControl Chip ESP32 S3 SI4732 DSPReception Modes FM AM LSB USBFrequency Range LW MW SW 150kHz 30MHzVHF 64MHz 108MHzDisplay 1 9 inch IPS HD Color Screen Resolution 170x320 adjustable brightness 32 255 levels Speaker Built in 1W speakerAudio Output 3 5mm stereo jack three segment type Antenna Connector SMA KECharging Interface USB Type C not compatible with fast charging Battery Built in 800mAh rechargeable batteryFirmware Upgradeable V1 01 latest firmware pre installe