This is 3.3 V TTL 3.5mm Jack USB to UART Cable - manufactured by FTDI Chip. The manufacturer part number is TTL-232R-3V3-AJ.

FTDI Chip , 3.3 V TTL 3.5mm Jack USB to UART Cable -

Manufacturer:

FTDI Chip

Manufacturer Part No:

TTL-232R-3V3-AJ

Enrgtech Part No:

ET20167783

Warranty:

Manufacturer

£ 15.47

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Kit Classification:

Cable

Kit Name:

3.3 V TTL 3.5mm Jack

Interface Function:

USB to UART

Datasheet(Technical Reference)

ESD Control Selection Guide V1(Technical Reference)

Test Report Verification(Technical Reference)