USB to RS232/485/422 hub

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{"cid":"131215","pid":"23437228","pimg_url":"\/\/img1.b2bforus.com\/72\/bf\/686bc7044946\/product\/80025270_s-w400xh400.jpg","name":"industrial usb 4 to port serial rs485 rs422 hub converter HK-5204B","attrs":{"Price":"Negotiable","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"HighTek"}}