{"product_id":"24ghz-cdm324-microwave-radar-sensor-module-body-induction-switch","title":"24GHz CDM324 Microwave Radar Sensor Module – Body Induction Switch","description":"\n\u003ch2\u003e24GHz CDM324 Microwave Radar Sensor Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eCDM324 24GHz Microwave Radar Sensor Module\u003c\/strong\u003e is a compact, high-performance body induction switch designed for a wide range of smart automation applications. Operating at a stable 24–24.25 GHz frequency, this module accurately detects motion and presence using microwave technology — no direct line-of-sight required. Whether you're building an intelligent lighting system, an automatic door trigger, or a security detection setup, the CDM324 delivers reliable, low-power performance in a small form factor.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Frequency:\u003c\/strong\u003e 24–24.25 GHz — stable, interference-resistant microwave detection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Power:\u003c\/strong\u003e +14 dBm for consistent, wide-area sensing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAntenna Beam Width:\u003c\/strong\u003e 80% \/ 32° — focused yet broad detection cone\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e +5V \/ 29mA — energy-efficient operation ideal for always-on applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified\u003c\/strong\u003e — meets European safety and electromagnetic compatibility standards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Module Design\u003c\/strong\u003e — easy to integrate into existing electronics projects and DIY builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e🚪 \u003cstrong\u003eAutomatic Door Sensors\u003c\/strong\u003e — trigger doors to open\/close based on presence detection\u003c\/li\u003e\n  \u003cli\u003e💡 \u003cstrong\u003eIntelligent Light Control Systems\u003c\/strong\u003e — automate lighting in hallways, offices, garages, and more\u003c\/li\u003e\n  \u003cli\u003e🔐 \u003cstrong\u003eAnti-Intrusion Detection\u003c\/strong\u003e — integrate into security systems for motion-based alerts\u003c\/li\u003e\n  \u003cli\u003e⚡ \u003cstrong\u003eMicrowave Induction Switches\u003c\/strong\u003e — replace traditional PIR sensors with microwave-based reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCDM324\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24–24.25 GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+14 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAntenna Beam Width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80% \/ 32°\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+5V DC \/ 29mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × CDM324 Radar Sensor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicone Grease Lubricant for O-Rings\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box – Holds 30 AAA Batteries\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-mobile-data-cable-storage-box-portable-winding-earphone-charger-storage-box-with-lid-drawer-organizer-box\"\u003e1PC Mobile Data Cable Storage Box – Portable Winding Organizer\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Please allow 1–2 cm measuring deviation due to manual measurement. Colors may vary slightly from product images due to monitor settings.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the CDM324 24GHz Radar Sensor Module used for?\u003c\/h4\u003e\n\u003cp\u003eA: The CDM324 microwave radar sensor module is designed for body induction and motion detection applications, including automatic doors, intelligent lighting control, microwave induction switches, and anti-intrusion security systems. Its 24GHz operating frequency makes it more accurate and less susceptible to environmental interference compared to traditional PIR sensors.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the CDM324 radar sensor module differ from a standard PIR sensor?\u003c\/h4\u003e\n\u003cp\u003eA: Unlike PIR (passive infrared) sensors that rely on heat signatures and require line-of-sight, the CDM324 uses active microwave radar technology (24–24.25 GHz) to detect motion through walls, glass, or other non-metallic surfaces. This makes it more versatile and reliable in varied environmental conditions.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What power supply does the CDM324 radar sensor module require?\u003c\/h4\u003e\n\u003cp\u003eA: The CDM324 operates on a standard +5V DC power supply and consumes only 29mA, making it energy-efficient and compatible with common microcontroller platforms such as Arduino, Raspberry Pi, and other 5V-based development boards.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the CDM324 radar sensor module CE certified?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the CDM324 holds CE certification, confirming that it meets European Union standards for safety and electromagnetic compatibility (EMC).\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 is the CDM324 24GHz Radar Sensor Module used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The CDM324 microwave radar sensor module is designed for body induction and motion detection applications, including automatic doors, intelligent lighting control, microwave induction switches, and anti-intrusion security systems. 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