433MHz 500mW Lora data modem DRF1278DX
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500mW 433MHz Lora data radio modem with TTL/RS232/RS485 interface Module DRF1278DX is a type of 500mW long range low data rate data radio modem based on SX1278 from Semtech. It is a low-cost sub-1 GHz transceiver module designed for operations in the unlicensed ISM (Industrial Scientific Medical) and LPRD bands. Frequency spectrum modulation/demodulation, multi-channel operation, high bandwidth efficiency and anti-blocking performance make DRF1278DX modules easy to realize the robust and reliable wireless link.
Features:
* LoRaTM Frequency Spectrum
* 433Mhz ISM frequency band
* -139dBm receive sensitivity
* 27dBm Max. output power
* TTL/RS232/RS485 interface
* Serial port wake-up
* Wireless wake-up
* Supply voltage: 5~12V

Application:
Home automation,   Security alarm,   Telemetry,    Automatic meter reading,   Contactless access,   Wireless data logger,   Remote motor control
The DRF1278DX module is similar to DRF1278DL module in function and also have three working modes: Standard Mode, Low Power Mode and Sleep Mode. Comparing to DRF1278DM, it doesn't contain star networking mode and only acts as transparent data radio modem. According to the interface, it can be divided into DRF1278DX1 (TTL interface), DRF1278DX2 (RS232 interface) and DRF1278DX3 (RS485 interface).
 
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