RF433 MHz Transmitter Receiver Wireless Module
RF433 MHz Transmitter Receiver Wireless Module
RF 433 MHz Transmitter Receiver Wireless Module
Enable reliable short-range wireless communication in your projects with this RF 433 MHz Transmitter and Receiver Module pair. Operating at the globally popular 433 MHz ISM band, this module set allows you to send and receive data wirelessly over distances up to 200 meters (open air, with antenna). Ideal for remote control systems, home automation, wireless sensor networks, and IoT prototyping, this affordable module pair is a staple for hobbyists, students, and engineers alike. Available now from The Tech Depot, Bengaluru, with fast shipping, expert technical support, and a 7-day warranty on manufacturing defects.
Key Features
- 433 MHz ISM Band Operation: License-free frequency band widely used for short-range wireless communication worldwide.
- Separate Transmitter & Receiver Modules: Dedicated TX and RX boards for flexible integration into any project.
- Long Communication Range: Up to 200 meters in open air (with proper antenna); approximately 20-50 meters indoors depending on obstacles.
- ASK/OOK Modulation: Amplitude Shift Keying modulation for simple, low-power data transmission.
- Wide Operating Voltage: Transmitter operates from 3V to 12V; receiver operates at 5V - compatible with Arduino, ESP, PIC, STM32, and more.
- Low Power Consumption: Minimal current draw makes it suitable for battery-powered and portable applications.
- Easy Microcontroller Integration: Simple DATA pin interface - connect directly to any digital I/O pin on Arduino, Raspberry Pi, or other MCUs.
- Compact Form Factor: Small PCB footprint allows easy embedding into enclosures and custom PCB designs.
- Antenna Support: Solder a 17.3 cm (quarter-wavelength) wire antenna to significantly boost range and signal quality.
- Software Library Support: Fully compatible with popular Arduino libraries such as VirtualWire and RadioHead for quick prototyping.
Specifications
| Module Type | RF Wireless Transmitter + Receiver Pair |
| Operating Frequency | 433 MHz (ISM Band) |
| Modulation Type | ASK (Amplitude Shift Keying) / OOK |
| Transmitter Supply Voltage | 3V - 12V DC |
| Receiver Supply Voltage | 5V DC |
| Transmitter Output Power | Up to 25 mW (at 12V supply) |
| Data Transfer Rate | Up to 10 kbps |
| Communication Range | Up to 200 m (open air with antenna); 20-50 m indoors |
| Receiver Sensitivity | -105 dBm typical |
| Receiver Bandwidth | 2 MHz |
| Transmitter Current Draw | ~20-28 mA (at 12V) |
| Receiver Current Draw | ~5.5 mA (at 5V) |
| Antenna Length (Recommended) | 17.3 cm (quarter-wave wire antenna) |
| Transmitter Dimensions | ~19 x 19 mm |
| Receiver Dimensions | ~30 x 14 mm |
| Interface | Digital DATA pin (TTL level) |
| Compatible Platforms | Arduino, Raspberry Pi, ESP8266, ESP32, PIC, STM32, AVR |
| Operating Temperature | -20 degreesC to +70 degreesC |
| Origin | Original / Authentic |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 |
Pin Configuration
Transmitter Module (TX)
| Pin | Label | Description |
| 1 | VCC | Power supply input (3V - 12V DC) |
| 2 | DATA | Digital data input from microcontroller |
| 3 | GND | Ground |
| 4 | ANT | Antenna connection (solder 17.3 cm wire) |
Receiver Module (RX)
| Pin | Label | Description |
| 1 | VCC | Power supply input (5V DC) |
| 2 | DATA | Digital data output to microcontroller (typically two DATA |
Frequently Asked Questions
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy RF433 MHz Transmitter Receiver Wireless Module Online in India
Purchase the RF433 MHz Transmitter Receiver Wireless Module online at The Tech Depot - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on RF433 MHz Transmitter Receiver Wireless Module with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.
Looking to buy RF433 MHz Transmitter Receiver Wireless Module at the best price in India? The Tech Depot offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.