{"product_id":"si4432-433mhz-smd-wireless-module-100mw-1-5km","title":"Si4432 433MHz SMD Wireless Module – 100mW 1.5km Range","description":"\u003ch2\u003eSi4432 433MHz SMD Wireless Transceiver Module – 100mW | 1.5km Range\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBS AS4432 SMD Si4432 433MHz Wireless Module\u003c\/strong\u003e is a compact, surface-mount wireless transceiver designed for reliable long-range communication up to \u003cstrong\u003e1.5km\u003c\/strong\u003e. Powered by the popular Silicon Labs Si4432 chip, this module delivers \u003cstrong\u003e100mW output power\u003c\/strong\u003e in an ultra-small SMD form factor — perfect for hobbyists, engineers, and developers building wireless data links, IoT devices, RC systems, and embedded projects.\u003c\/p\u003e\n\n\u003cp\u003eWith a wide supply voltage range of \u003cstrong\u003e1.8V to 3.6V\u003c\/strong\u003e and an operating temperature range of \u003cstrong\u003e-40°C to +80°C\u003c\/strong\u003e, this module is robust enough for both indoor and outdoor applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 433MHz ISM band\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Power:\u003c\/strong\u003e 100mW (20dBm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommunication Range:\u003c\/strong\u003e Up to 1.5km (line of sight)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e SMD (Surface Mount Device) – compact and board-friendly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 1.8V – 3.6V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -40°C to +80°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChipset:\u003c\/strong\u003e Silicon Labs Si4432\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand new\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eNo high-concern chemicals\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIoT and embedded wireless projects\u003c\/li\u003e\n  \u003cli\u003eRemote sensor data transmission\u003c\/li\u003e\n  \u003cli\u003eHome automation systems\u003c\/li\u003e\n  \u003cli\u003eRC (radio-controlled) devices\u003c\/li\u003e\n  \u003cli\u003eComputer peripherals and wireless accessories\u003c\/li\u003e\n  \u003cli\u003eLow-power wireless telemetry\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the maximum communication range of the Si4432 433MHz wireless module?\u003c\/h4\u003e\n\u003cp\u003eA: The BS AS4432 SMD Si4432 433MHz wireless module supports a communication range of up to \u003cstrong\u003e1.5km\u003c\/strong\u003e in open line-of-sight conditions. Actual range may vary depending on environmental factors such as obstacles, interference, and antenna setup.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What supply voltage does this 433MHz wireless module require?\u003c\/h4\u003e\n\u003cp\u003eA: This SMD wireless module operates on a supply voltage of \u003cstrong\u003e1.8V to 3.6V\u003c\/strong\u003e, making it compatible with a wide range of microcontrollers and low-power embedded systems such as Arduino, STM32, and similar platforms.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this module suitable for outdoor use?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. With an operating temperature range of \u003cstrong\u003e-40°C to +80°C\u003c\/strong\u003e, the Si4432 433MHz module is well-suited for both indoor and outdoor environments, including applications exposed to temperature extremes.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the maximum communication range of the Si4432 433MHz wireless module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The BS AS4432 SMD Si4432 433MHz wireless module supports a communication range of up to 1.5km in open line-of-sight conditions. Actual range may vary depending on environmental factors such as obstacles, interference, and antenna setup.\"}}, {\"@type\": \"Question\", \"name\": \"What supply voltage does this 433MHz wireless module require?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This SMD wireless module operates on a supply voltage of 1.8V to 3.6V, making it compatible with a wide range of microcontrollers and low-power embedded systems such as Arduino, STM32, and similar platforms.\"}}, {\"@type\": \"Question\", \"name\": \"Is this module suitable for outdoor use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. With an operating temperature range of -40°C to +80°C, the Si4432 433MHz module is well-suited for both indoor and outdoor environments, including applications exposed to temperature extremes.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Si4432 433MHz SMD Wireless Module – 100mW 1.5km Range\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/si4432-433mhz-smd-wireless-module-100mw-1-5km\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"Default Title","offer_id":44167184187479,"sku":"\u003cnone\u003e","price":16.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/S73d162f50a8043af8ac996ee20cab85fe.webp?v=1786759124","url":"https:\/\/axlcustomersupport.com\/products\/si4432-433mhz-smd-wireless-module-100mw-1-5km","provider":"Axl","version":"1.0","type":"link"}