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 ...

Abstract: This paper presents a intelligent long-distance running test system based on RFID technology, 433MHz wireless communication technology and WEB server technology. The system is committed to ...

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 ...

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