{"product_id":"433mhz-rf-wireless-transmitter-receiver-module-dc-3v-24v","title":"433MHz RF Wireless Module DC 3V–24V | Transmitter \u0026 Receiver","description":"\n\u003ch2\u003e433MHz Universal RF Wireless Module – Wide Voltage, Long Range\u003c\/h2\u003e\n\u003cp\u003eTake your DIY electronics projects to the next level with this compact \u003cstrong\u003e433MHz Universal RF Wireless Transmitter\/Receiver Module\u003c\/strong\u003e. Designed for makers, hobbyists, and engineers alike, this miniature module delivers rock-solid wireless communication over distances of \u003cstrong\u003e100m–300m\u003c\/strong\u003e in open terrain — all while running on a wide supply voltage range of \u003cstrong\u003eDC 3V to 24V\u003c\/strong\u003e. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Both transmitter and receiver operate on DC 3V–24V, making it compatible with a huge variety of microcontrollers and power supplies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong Transmission Range:\u003c\/strong\u003e Achieves 100m–300m in open, unobstructed environments — perfect for remote switching and automation projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFour Programmable Operating Modes:\u003c\/strong\u003e Instant, Toggle, Lock, and Delay — easily configured for virtually any switching requirement.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Load Capacity:\u003c\/strong\u003e Maximum load of 2A allows direct control of high-power LED lighting and various electrical appliances.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Low Power Consumption:\u003c\/strong\u003e Only 5–6mA during transmission; zero standby draw when idle, extending battery life in portable applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal Penetration:\u003c\/strong\u003e Wireless signals pass reliably through walls, floors, and doors for stable, whole-building coverage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple Wiring \u0026amp; Setup:\u003c\/strong\u003e Clear, beginner-friendly connections with straightforward reset and programming procedures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 433–433.92MHz | \u003cstrong\u003eTransmission Power:\u003c\/strong\u003e ≥10 dBm | \u003cstrong\u003ePackage:\u003c\/strong\u003e TQFP\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\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 3V – 24V (Transmitter \u0026amp; Receiver)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e433 – 433.92MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmission Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≥10 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmission Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100m – 300m (open terrain)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5–6mA (active); 0mA (idle)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Load\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInstant, Toggle, Lock, Delay\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTQFP\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eWireless remote switches \u0026amp; smart home automation\u003c\/li\u003e\n  \u003cli\u003eRemote motor control systems\u003c\/li\u003e\n  \u003cli\u003eSecurity \u0026amp; access control systems\u003c\/li\u003e\n  \u003cli\u003eRemote LED lighting control\u003c\/li\u003e\n  \u003cli\u003eDIY IoT and microcontroller projects (Arduino, ESP32, Raspberry Pi, etc.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× 433MHz RF Module (Transmitter or Receiver — as selected)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cp\u003eLooking for more tools and storage solutions for your workshop or craft projects? Check out our \u003ca href=\"\/products\/airtight-transparent-pet-storage-bottle-craft-beads-home-organization\"\u003eAirtight Transparent PET Storage Bottle\u003c\/a\u003e for organizing small electronic components, or browse our \u003ca href=\"\/products\/leather-hole-punch-tool-diy-stitching-punch-4-5-6mm\"\u003eLeather Hole Punch Tool\u003c\/a\u003e for other DIY essentials.\u003c\/p\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 is the operating range of this 433MHz RF wireless module?\u003c\/h4\u003e\n\u003cp\u003eA: The 433MHz RF module achieves a transmission range of 100m–300m in open, unobstructed terrain. Walls, floors, and doors may reduce this range but the module is designed to maintain reliable signal penetration in typical indoor environments.\u003c\/p\u003e\n\u003ch4\u003eQ: What voltage does the 433MHz RF transmitter and receiver module require?\u003c\/h4\u003e\n\u003cp\u003eA: Both the transmitter and receiver modules operate on a wide voltage range of DC 3V to 24V, making them compatible with common microcontrollers such as Arduino (3.3V\/5V), ESP32, and higher-voltage systems up to 24V.\u003c\/p\u003e\n\u003ch4\u003eQ: What operating modes are available on this RF module?\u003c\/h4\u003e\n\u003cp\u003eA: This module supports four programmable operating modes: Instant (momentary), Toggle (on\/off flip), Lock (latching), and Delay (timed output) — giving you flexible control for a wide range of wireless switching applications.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this module control high-power LED lights or appliances?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The module supports a maximum load of 2A, making it suitable for directly controlling high-power LED lights and small electrical appliances without the need for an additional relay in many setups.\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 operating range of this 433MHz RF wireless module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 433MHz RF module achieves a transmission range of 100m–300m in open, unobstructed terrain. 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