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Upgraded Tiny USR-TCP232-T2 Serial Module Tiny Serial Ethernet Converter Module UART TTL to Ethernet TCPIP Module Support DHCP and DNS (5 PCS) - Newegg.com
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Waveshare RS232 to RJ45 Ethernet Converter Module,Industrial Rail-Mount Serial Server,TCP/IP to Serial Module,300~115200 BPS Baudrate,10 / 100M Auto-Negotiation RJ45 Connector : Amazon.fr: Informatique
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CH9121 STM32 Port série Module de convertisseur de réseau RS232 vers Ethernet Module de transmission TTL
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