Code for a 433MHz RF Wireless Transmitter and Receiver module. I had a lot of issues trying to find help when I was first learning about these devices. This code ...

Abstract: This paper presents a wireless communication system utilizing a 433MHz RF module alongside human presence detection using a Passive Infrared (PIR) sensor. The system is designed to enable ...

The HC-12 has a great range for 433MHz but the downside is that the module can only communicate with another HC-12. Also the price for these modules are very similar to ESP8266 and LoRa devices at ...

RFMD’s RF6504 front-end module is designed for 433MHz to 470MHz AMI/AMR systems. The transmit port provides a power amplifier with nominal output power of 30dBm and gain of 15dB. The receiver ...

Hackers everywhere are having a lot of fun with SDR – as is obvious from the amount of related posts here on Hackaday. And why not, the hardware is cheap and easily available. There are all kinds of ...