DSD TECH SH-U09C5 USB to TTL serial adapter.

Chipset: Uses the FTDI FT232RL chip.

Voltage Levels: Supports 1.8V, 2.5V, 3.3V, and 5V TTL logic levels.

Features: Includes pin access for RXD, TXD, CTS, RTS, DSR, RI, DCD, DTR, and RESET.

Transmission Speed: Offers a maximum transmission speed of up to 3 Mbps.