TTL To RS485 Module 485 To Serial UART Level Mutual Conversion Hardware Automatic Flow Control Power Supply Module 3.3V 5V

TTL To RS485 Module
TTL To RS485 ModuleTND 10,00 TTC
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GSM/GPRS SIM900 Shield Quad-Band 850 / 900/ 1800 / 1900 MHz Module
GSM/GPRS ModuleTND 129,00 TTC
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Total
TND 194,00
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