Chip: FTDI chip. TTL level: 3V3. With reinforced strain relief cable design for repeated bending and pulling.
Suamdoen USB to TTL UART 3V3 Serial Cable with FT232RL Chip 3.3V TTL to 3.5mm Audio Jack Output Cable Works for PLX SM-AFR, TTL-232R-3V3-AJ
MEIRIYFA USB to TTL Serial Adapter Cable 5V to 3.3V UART Converter Wire, USB to TTL TX RX VCC GND Pinout Signal 4 Pin Female Socket with FTDI FT232RL Chip for Windows 10/8/ 7/ XP/Vista Android (1M)
Industrial USB to TTL Adapters USB to TTL Adapters Cable Reinforced Shielding
USB to TTL Converter with CH343G Chip UART Driver Free USB to TTL Serial Convert
USB - TTL-232R-3V3 5v USB to TTL Serial Converter Cable FTDI Chipset FT232RL
USB To TTL Interfaces Cable Reliable Chip USB to TTL Adapters Cable