ATS-20+ SI4732 Full Band SDR Receiver with SSB AM FM LW SW Support

ATS-20+ SI4732 Portable DSP Radio Receiver

The ATS-20+ is a portable, receive-only DSP radio built around the SI4732 receiver platform. It is intended for lawful FM, AM, long-wave, medium-wave, short-wave and single-sideband listening, radio-learning and antenna comparison work.

Receiver Functions

• SI4732 receiver platform with FM, AM (MW/SW), LW and SSB reception modes including LSB and USB.
• 0.96-inch OLED display for band, tuning and receiver-status information.
• BFO control for SSB reception.
• Selectable audio bandwidth filters: 0.5, 1, 1.2, 2.2, 3 and 4 kHz.
• Frequency-step selection: 1, 5 and 10 kHz.
• Listed preset configuration includes 22 commercial and amateur radio bands.

Connections and Power

• SMA antenna connector.
• 3.5 mm headphone output.
• USB Type-C charging connection.
• Listed internal 3.6 V, 800 mAh lithium-polymer battery.
• Settings can be retained after power-off, as listed by the source.

Band Coverage

• FM: 84 to 108 MHz.
• LW: 0.1 to 0.51 MHz.
• MW: 0.52 to 1.72 MHz.
• SW: 1.72 to 30 MHz, with the listed broadcast and amateur-band presets.

Important Use Notes

• This product is for radio reception only; it is not a transmitter or transceiver.
• Reception capability depends on local signal conditions, antenna placement, interference and the selected mode.
• Observe the radio regulations that apply at your location, particularly when connecting antennas or monitoring licensed services.
• Confirm the included accessories on delivery, as the receiver is supplied as a compact portable set.