Communications chips: Domestic MAX3232
Operating Voltage: 3V-5V
Interface: TX RX GND VCC ( TTL )
With a USB to take power;
Send DuPont line.

Manual:
( 1 ) can be used to program all types of SCM: If STM32 , NXP , STC , Renesas and other
( 2 ) conversion stations, mobile phones Brush, XBOX360 Brush, GPS , automotive testing, DVD brush , hard disk repair, set-top box upgrade.