JY-R2T V1.2 RS232 Serial Port Converter
The V1.2 RS232 serial port converter supports for USB power and external power supply two kinds of power supply. This is a MAX3232-based level shifter for connecting TTL-level serial to standard RS-232 serial. It is powered through a mini USB port though the device does not speak USB. - Material: aluminum alloy + plastic - Mini USB port 3~5V power supply - Baud rate: 150 KBps - Comes with connection cable (18.6cm length)