uxcell 5V MAX485/RS485 Module TTL to RS-485 MCU Development Board
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uxcell
{"Product Dimensions": "3.15 x 1.57 x 0.79 inches", "Item Weight": "0.352 ounces", "Manufacturer": "uxcell", "Item model number": "TRTV2188", "Date First Available": "January 11, 2014"}