Fleetwood Digital
ATS-20+ Plus (ATS20 V2) Full-Band DSP Receiver Shortwave Radio
ATS-20+ Plus (ATS20 V2) Full-Band DSP Receiver Shortwave Radio
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The ATS-20+ Plus (ATS20 V2) is a highly portable, all-band (FM/AM/MW/SW/SSB) receive-only radio built around the popular Silicon Labs Si4732 digital signal processing (DSP) chip. Designed for shortwave listeners (SWL) and amateur radio operators who want a pocket-sized tool to monitor global broadcasts and ham radio voice/digital modes, this unit includes a built-in rechargeable battery and is backed by a 90-Day Canadian Warranty.
⚠️ Mandatory Operation Notice
Rear Antenna Switch: The rear panel features a physical slide switch labeled FM / AM(SSB). You must slide this switch to match the band you are listening to. If you tune to shortwave or ham bands and leave the switch on FM, you will hear almost nothing but static.
Receive-Only: Unlike transceivers, this radio cannot transmit. Attempting to transmit RF into its BNC port from another radio will instantly destroy the internal Si4732 chip.
Performance & Design Highlights
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📻All-Band Coverage & Modes Monitor FM (with RDS), AM, Longwave, Mediumwave, and Shortwave. Fully decodes amateur Single Sideband (USB/LSB) with an adjustable Beat Frequency Oscillator (BFO) to clarify voice signals.
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🔋Internal Lithium-Ion Battery Features a built-in high-capacity 3.7V battery (approx. 800mAh) that charges via a standard 5V USB Type-C port, perfect for grab-and-go monitoring.
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🎛️Advanced Audio DSP Filtering Cut through crowded shortwave bands using selectable audio bandwidth filters (0.5, 1.0, 1.2, 2.2, 3.0, and 4.0 kHz) to isolate weak stations.
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📡Digital FT8 Capable Connect the rear 3.5mm headphone jack directly to a PC or Android smartphone soundcard to decode digital modes like FT8 using WSJT-X or FT8CN.
Technical Specifications
| Product Model | ATS-20+ Plus (ATS20 V2) |
|---|---|
| Core Chipset | Silicon Labs Si4732 (DSP) + ATmega328 |
| Supported Bands | FM (64–108 MHz), AM/LW/MW (150–2999 kHz), SW (3–30 MHz) |
| Operating Modes | FM, AM, USB, LSB |
| Antenna Connector | 50-Ohm BNC Female |
| Audio Output | Internal 1.5W Speaker & 3.5mm Headphone Jack |
| Power & Charging | Internal Li-ion Battery (USB Type-C 5V Charging) |
| Warranty Protection | 90-Day Canadian Warranty |
Description
The ATS-20+ Plus (ATS20 V2) is a highly portable, all-band (FM/AM/MW/SW/SSB) receive-only radio built around the popular Silicon Labs Si4732 digital signal processing (DSP) chip. Designed for shortwave listeners (SWL) and amateur radio operators who want a pocket-sized tool to monitor global broadcasts and ham radio voice/digital modes, this unit includes a built-in rechargeable battery and is backed by a 90-Day Canadian Warranty.
⚠️ Mandatory Operation Notice
Rear Antenna Switch: The rear panel features a physical slide switch labeled FM / AM(SSB). You must slide this switch to match the band you are listening to. If you tune to shortwave or ham bands and leave the switch on FM, you will hear almost nothing but static.
Receive-Only: Unlike transceivers, this radio cannot transmit. Attempting to transmit RF into its BNC port from another radio will instantly destroy the internal Si4732 chip.
Performance & Design Highlights
-
📻All-Band Coverage & Modes Monitor FM (with RDS), AM, Longwave, Mediumwave, and Shortwave. Fully decodes amateur Single Sideband (USB/LSB) with an adjustable Beat Frequency Oscillator (BFO) to clarify voice signals.
-
🔋Internal Lithium-Ion Battery Features a built-in high-capacity 3.7V battery (approx. 800mAh) that charges via a standard 5V USB Type-C port, perfect for grab-and-go monitoring.
-
🎛️Advanced Audio DSP Filtering Cut through crowded shortwave bands using selectable audio bandwidth filters (0.5, 1.0, 1.2, 2.2, 3.0, and 4.0 kHz) to isolate weak stations.
-
📡Digital FT8 Capable Connect the rear 3.5mm headphone jack directly to a PC or Android smartphone soundcard to decode digital modes like FT8 using WSJT-X or FT8CN.
Technical Specifications
| Product Model | ATS-20+ Plus (ATS20 V2) |
|---|---|
| Core Chipset | Silicon Labs Si4732 (DSP) + ATmega328 |
| Supported Bands | FM (64–108 MHz), AM/LW/MW (150–2999 kHz), SW (3–30 MHz) |
| Operating Modes | FM, AM, USB, LSB |
| Antenna Connector | 50-Ohm BNC Female |
| Audio Output | Internal 1.5W Speaker & 3.5mm Headphone Jack |
| Power & Charging | Internal Li-ion Battery (USB Type-C 5V Charging) |
| Warranty Protection | 90-Day Canadian Warranty |
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