{"product_id":"ats-20-plus-si4732-full-band-radio-receiver-fm-am-sw-ssb-oled","title":"ATS-20+ Si4732 Full Band Radio Receiver FM AM SW SSB OLED","description":"\u003ch2\u003eATS-20+ Si4732 Full Band Portable Radio Receiver with OLED Display\u003c\/h2\u003e\n\u003cp\u003eExperience the ultimate in radio reception with the \u003cstrong\u003eATS-20+ Si4732 Full Band Radio Receiver\u003c\/strong\u003e. Featuring a crisp \u003cstrong\u003e0.96-inch OLED screen\u003c\/strong\u003e, this compact and portable device covers virtually every radio frequency band — FM, AM (MW \u0026amp; SW), and SSB (LSB \u0026amp; USB) — making it the ideal companion for amateur radio enthusiasts, shortwave listeners, and hobbyists alike. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Band Coverage:\u003c\/strong\u003e Supports FM, AM (Medium Wave \u0026amp; Shortwave), and SSB (LSB \u0026amp; USB) — 22 pre-configured commercial and amateur radio bands ready to use out of the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e0.96\" OLED Display:\u003c\/strong\u003e Clearly view FM band info, AGC on\/off status, MONO mode, and more at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Speaker \u0026amp; Audio Output:\u003c\/strong\u003e Enjoy clear audio through the integrated speaker (8Ω, 1.5W output), or connect 3.5mm headphones for private listening. Also supports 4Ω speaker with 2W output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRechargeable Built-In Battery:\u003c\/strong\u003e Powered by a built-in 3.6V, 800mAh polymer lithium battery for consistent, uninterrupted performance. Charges via USB-C cable (included).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMemory Retention:\u003c\/strong\u003e Automatically saves your settings after power-off so you can pick up exactly where you left off.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSMA Antenna Interface:\u003c\/strong\u003e Comes with a BNC antenna included. The SMA interface and user-replaceable SI4732 chip make this a highly upgradeable and customizable receiver.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvanced Tuning Controls:\u003c\/strong\u003e Audio bandwidth filters at 0.5, 1, 1.2, 2.2, 3, and 4 kHz; BFO control; frequency step switching (1, 5, and 10 kHz).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable:\u003c\/strong\u003e Measures just 91 × 85 × 35 mm (3.58 × 3.35 × 1.38 in) — easy to carry wherever you go.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse; width:100%;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003e0.96-inch OLED\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003e\u003cstrong\u003eSupported Bands\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003eFM, AM (MW \u0026amp; SW), SSB (LSB \u0026amp; USB)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003e\u003cstrong\u003ePre-configured Bands\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003e22 commercial \u0026amp; amateur bands\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003e3.6V, 800mAh Lithium Polymer (built-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003e\u003cstrong\u003eCharging\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003eUSB Type-C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003e\u003cstrong\u003eSpeaker Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003e8Ω 1.5W \/ 4Ω 2W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003e\u003cstrong\u003eHeadphone Jack\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003e3.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003e\u003cstrong\u003eAntenna Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003eSMA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003e\u003cstrong\u003eAudio Bandwidth Filters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003e0.5 \/ 1 \/ 1.2 \/ 2.2 \/ 3 \/ 4 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003e91 × 85 × 35 mm \/ 3.58 × 3.35 × 1.38 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003ePrinted Circuit Board\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:6px;\"\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × ATS-20+ Si4732 Full Band Radio Receiver\u003c\/li\u003e\n  \u003cli\u003e1 × USB-C Charging Cable\u003c\/li\u003e\n  \u003cli\u003e1 × BNC Antenna\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1000d-tactical-edc-bag-military-ammo-pouch-hunting-wash-bag-dump-pouch-portable-tool-storage-handbag-compatible-military-utility\"\u003e1000D Tactical EDC Bag – Portable Tool Storage Handbag\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/100l-tent-storage-bag-waterproof-with-combination-lock-camping-tent-bag-oxford-cloth-2-way-lockable-zippers-camping-storage-bag-1\"\u003e100L Waterproof Camping Storage Bag with Combination Lock\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What radio bands does the ATS-20+ Si4732 receiver support?\u003c\/h4\u003e\n\u003cp\u003eA: The ATS-20+ Si4732 full band radio receiver supports FM, AM (including Medium Wave and Shortwave), and SSB (both LSB and USB modes). It comes pre-configured with 22 commercial and amateur radio frequency bands, giving you a wide range of listening options right out of the box.\u003c\/p\u003e\n\u003ch4\u003eQ: How is the ATS-20+ radio receiver charged?\u003c\/h4\u003e\n\u003cp\u003eA: The receiver features a built-in 3.6V, 800mAh lithium polymer battery that is charged via a USB Type-C cable, which is included in the package. This provides a stable, sustainable power supply for extended listening sessions.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I replace the SI4732 chip or upgrade the firmware?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The printed circuit board retains the SI4732 chip in a replaceable package, and the software is designed to be compatible with chip replacements. This makes the ATS-20+ a highly customizable and upgradeable full band receiver for hobbyists and enthusiasts.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the ATS-20+ support headphones and external speakers?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The receiver includes a 3.5mm headphone jack for private listening and supports external speaker connections — 8Ω at 1.5W or 4Ω at 2W — in addition to the built-in speaker.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What radio bands does the ATS-20+ Si4732 receiver support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The ATS-20+ Si4732 full band radio receiver supports FM, AM (including Medium Wave and Shortwave), and SSB (both LSB and USB modes). 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