Txb179 M.2 To 4 Port Rs232 Serial Card Adapter High Speed 4 Port Rs232 Ser
Item Type: M.2 to 4 Port RS232 Serial Card Adapter. Adapter Type: M.2 to 4 Port RS232. 1 x M.2 to 4 Port RS232 Serial Card Adapter. If you do not receive our reply within 48 hours, pls. If you are satisfied with our service, pls.