This 433MHz RF transmitter and receiver pair is the cheapest way to add one-way wireless communication to your Arduino projects. Using simple ASK/OOK modulation, it is perfect for remote controls, alarms and basic data links across a room.
Key Features
- Matched TX + RX pair operating at 433MHz
- Simple ASK / OOK modulation, easy to drive from any GPIO
- Works great with the RadioHead / VirtualWire libraries
- Solder an antenna wire for extended range
Specifications
| Frequency | 433MHz |
| Modulation | ASK / OOK |
| Direction | One-way (simplex) |
| Transmitter voltage | 3.3V–12V |
| Receiver voltage | 5V |
Popular Project Ideas
- Wireless remote controls & switches
- Simple door / window alarm systems
- Short-range sensor data transmission
In stock at Arduino Corner, Rawalpindi with quick delivery to Islamabad and all over Pakistan. Ideal for STEM students, robotics clubs and FYP teams — pay by cash on delivery or online.
