Y4QF 2 In 1 RS485 RS232 DB9 Module with 8DO NPN Mos Optocoupler Isolation Output for LED Motor

Y4QF 2 In 1 RS485 RS232 DB9 Module with 8DO NPN Mos Optocoupler Isolation Output for LED Motor
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sku: 1005008473915374
$19.34
Shipping from: China
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