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Continue to ChatHC11 HC-12 433MHz RF (UART) Transceiver Module-1km in Pakistan https://www.multanelectronics.com/product/433mhz-rf-uart-transceiver-module-1km-in-pakistan/
HC11 HC-12 433MHz RF (UART) Transceiver Module-1km in Pakistan https://www.multanelectronics.com/product/433mhz-rf-uart-transceiver-module-1km-in-pakistan/