50pcs HW-0519 TTL to RS485 Module 485 to Serial Port UART Level Mutual Conversion Hardware Automatic Flow Control

50pcs HW-0519 TTL to RS485 Module 485 to Serial Port UART Level Mutual Conversion Hardware Automatic Flow Control
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sku: 1005008761772143
$23.10+5%
$24.21
Shipping from: China
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