ATS-20+ Si4732 Multi Band Radio Receiver, FM AM MW SW Shortwave Receiver with SSB LSB USB Support, Portable HAM Radio SDR Receiver

ATS-20+plus upgraded version Si4732 full-band radio receiver with lithium battery + antenna + speaker + casing + foot pad + TYPE-C data cable + screen cleaning cloth

Upgraded features:

1. Uses the encoder of ATS-25, with longer lifespan and better feel.

2. Added FM amplifier and M filter.

3. Uses the knob cap of ATS-25.

4. Added TYPE-C port Video:

//www.youtube.com/watch?v=r2ViDgUzEzI

Electrical parameters:

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

ATS-20+plus upgraded version Si4732 full-band radio receiver with lithium battery + antenna + speaker + casing + foot pad + TYPE-C data cable + screen cleaning cloth

Upgraded features:

1. Uses the encoder of ATS-25, with longer lifespan and better feel.

2. Added FM amplifier and M filter.

3. Uses the knob cap of ATS-25.

4. Added TYPE-C port Video:

//www.youtube.com/watch?v=r2ViDgUzEzI

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

Frequency bands[] = {

{Fm_band_type, 8400, 10800, 10430, 1},

{Lw_band_type, 100, 510, 300, 1}, {Mw_band_type, 520, 1720, 810, 1},

{Sw_band_type, 1720, 3500, 1900, 1}, // 160 meters

{Sw_band_type, 3500, 4500, 3700, 1}, // 80 meters

{Sw_band_type, 4500, 5500, 4850, 5},

{Sw_band_type, 5500, 6300, 6000, 5}, {Sw_band_type, 6300, 7800, 7050, 5},

{Sw_band_type, 7800, 10000, 9600, 5},

{Sw_band_type, 10000, 11000, 10100, 1}, // 30 meters

{Sw_band_type, 11000, 12500, 11940, 5},

{Sw_band_type, 12500, 13900, 13600, 5}, {Sw_band_type, 13900, 14500, 14270, 1},

{Sw_band_type, 14500, 15900, 15300, 5},

{Sw_band_type, 15900, 17900, 17600, 5},

{Sw_band_type, 17900, 18300, 18100, 1}, // 17 meters

{Sw_band_type, 18300, 21900, 21200, 1}, // 15 meters

{Sw_band_type, 21900, 26200, 24940, 1}, // 12 meters

{Sw_band_type, 26200, 27900, 27500, 1}, // CB band (11 meters)

{Sw_band_type, 27900, 30000, 28400, 1} // ; // 10 meters

};