E810-U21C USB to RS485 module Industrial grade TTL conversion module communication adapter photoelectric isolation RS422 high protection protection industrial lightning protection 3M high speed [Chip solution]:CH342F [Working voltage]:DC 4.5~5.5V [Product...
E810-U21CS USB to RS485/TTL Converter Industrial grade TTL conversion module communication adapter photoelectric isolation RS422 high protection protection industrial lightning protection 3M high speed [Chip solution]:CH342F [Working voltage]: DC 4.5~5.5V [Product...
Free shipping on orders over $79.99.
Contact on weekdays: ebyteiot@cdebyte.com.
Simply return it within 30 days for an exchange.
We ensure secure payment.