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3.3-5V TTL to RS232/RS485 Serial Port Conversion Module Dual TVS Protection Industrial Grade 120Kbps Transmission Rate ESD Surge
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3.3-5V TTL to RS232/RS485 Serial Port Conversion Module Dual TVS Protection Industrial Grade 120Kbps Transmission Rate ESD Surge

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$7.27$10.1
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3.3-5V TTL to RS232/RS485 Serial Port Conversion Module Dual TVS Protection Industrial Grade 120Kbps Transmission Rate ESD Surge

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