ATS-20 + Si4732 Full Band Radio Receiver for FM, AM, MW, SW, and SSB (LSB and USB)

Features: 0.96-inch OLED display. You can view the FM frequency band, AGC on/off, MONO as needed. It supports the function of automatically maintaining settings after power loss. Built-in 3.6V, 800mAh polymer lithium battery, providing stable and sustainable power supply. Supports USB charging, with a type-C charging cable. Equipped with audio output function, supporting 3.5mm headphones. Also supports 8-ohm speaker with 1.5W output. Antenna interface uses SMA interface. Printed circuit board retains SI4732 packaging, allowing for replacement of chips, software compatibility.

Pre-configured with 22 commercial and amateur radio frequency bands, you can use them freely.

Supported frequency bands: FM, AM (MW and SW), and SSB (LSB and USB).

Audio bandwidth filter: 0.5, 1, 1.2, 2.2, 3, and 4 kHz.

BFO control.

Frequency step switch (1, 5, and 10 kHz)

SI4732-RDS-ALL-IN-ONE-OLED

Use 3.6V lithium battery with 1000mAh capacity

USB charging

Support audio output, compatible with 3.5mm headphones

Support 8-ohm speaker with 1W power

FM output, supports headphone antenna

Use BNC antenna interface

PCB retains Si4735 package. Users can replace the chip by themselves and the software is compatible.

The features of this sketch:

1) fm, am (MW and SW) and sb (LSB and USB);

2) 0.5, 1, 1.2, 2.2, 3 and 4 kHz audio bandwidth filters;

3) 22 pre-configured commercial radio and ham frequency bands;

4) bfo control; And

5) Frequency step-up switch (at 1.5 and 10 kHz);

Packaging weight: 300 grams. Packaging dimensions: 15*10*6 cm.

Packaging list:

1. Main unit

2. Lever antenna

3. TYPE-C charging data cable

4. Machine guard pad

Band[] = {

{Band Type, 8400, 10800, 10430, 1},

{Low Band Type, 100, 510, 300, 1},

{Mid Band Type, 520, 1720, 810, 1},

{Band Type, 1720, 3500, 1900, 1} // 160 meters

{Band Type, 3500, 4500, 3700, 1} // 80 meters

{Band Type, 4500, 5500, 4850, 1},

{Band Type, 5500, 6300, 6000, 1}

{Band Type, 6300, 7800, 7050, 1}

// 40 meters {Band Type, 7800, 10000, 9600, 1}

{Band Type, 10000, 11000, 10100, 1} // 30 meters

{Band Type, 11000, 12500, 11940, 1}

{Band Type, 12500, 13900, 13600, 1} {Band Type, 13900, 14500, 14270, 1} // 20 meters

{Switch Frequency Type, 14500, 15900, 15300, 1}

{Switch Frequency Type, 15900, 17900, 17600, 1}

{Switch Frequency Type, 17900, 18300, ? 18100, 1} // 17 meters

{Bluetooth Device Type, 18300, ? 21900, 21200, 1} // 15 meters

{Band Type, 12 meters band, 26.2 meters band, 24.94 meters band, 1} // 12 meters band

{Band Type, 26.2 meters band, 27.9 meters band, 27.5 meters band, 1} // CB band (11 meters)

{Band Type, 27.9 meters band, 30 meters band, 28.4 meters band, 1} // ; // 10 meters

}