| Feature | Description | | :--- | :--- | | | Fully reworked, minimalistic interface with custom 7-segment font fonts | | Seamless SSB Tuning | BFO merged with main frequency; up to 32 kHz smooth tuning coverage | | Band Coverage | Full LW (153-520 kHz), MW (520-1710 kHz), SW (1710-30000 kHz), FM (64-108 MHz) | | Tuning Steps | AM (1/5/9/10/50/100k/1M), SSB (1/5/9/10k + 10/25/50/100/500Hz), FM (10k/100k/1M) | | Signal Meter | Removes basic RSSI, adds true S-meter scale | | Settings Menu | Gain/ATT, Soft Mute, AVC (including SSB), DeEmphasis, SSB Sync Mode | | Stations Scan | Scans AM and FM bands to automatically find broadcast stations | | CW Mode | Enables CW mode for receiving Morse code | | Dynamic RDS | Displays FM radio station information (up to 16 characters) | | Battery Status | Reports battery charge level (requires simple physical mod) | | Display Control | Adjustable screen brightness and CPU frequency for power saving | | Control Enhancements | Added Mute button and Display on/off button |
The visual and tactile experience is entirely new. ats20 firmware exclusive
64 – 108 MHz (with RDS data decoding where supported). MW (Medium Wave): 520 – 1710 kHz. SW (Shortwave): 1.7 – 30.0 MHz. LW (Longwave): 150 – 510 kHz. | Feature | Description | | :--- |
: Replaces poor RSSI displays with an optional S-meter scale. Hardware Compatibility & Versions SW (Shortwave): 1
For a visual guide on how to perform this upgrade, you can watch this firmware upgrade tutorial .
: Replaces "ugly" stretched fonts with a clean, minimalistic 7-segment frequency display inspired by higher-end commercial rigs. Precision Tuning : Adds fine-tuning steps (down to
The ATS20 is susceptible to internal digital noise from its own OLED screen. If you hear a faint whining sound, adding copper shielding tape inside the plastic casing can significantly lower your noise floor. Conclusion