MCU is ESP32 si4732 pam8406. Model: ARESQ AQ1. ARESQ AQ1 FM/LW/MW/SW-SSB DSP Radio. 1 x AQ1 receiver. BAND-Band Select FM LW MW CB SW. MW:522-1620(520-1710)kHz. FM:64-108 MHz. STEP-100K/10K on FM 1k/5k/9k/10k on.
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