ITEM NAME:USB To RS232 TTL UART PL2303HX Converter USB To COM Description: Built in TTL COM PC PL2303HX Chip,Standard USB type A male and TTL 4 Pin connector. Serial communication,Router or ADSL firmware upgrade. GPS serial communication Hard drive firmware upgrade. super terminal in use; Commonly used serial debugging tools. All kinds of satellite machine for upgrading. Specification: Cable Length: Approx1m Package Includes: 1x USB to TTL Module Note: Black cable-----GND Green cable-----TXD White cable------RXD Red cable--------VCC SKU: DMO0011843051000048.Built in TTL COM PC PL2303HX Chip,Standard USB type A male and TTL 4 Pin connector. 1x USB to TTL Module. SKU: DMO0011843051000048. Red cable--------VCC. White cable------RXD. Green cable-----TXD. Black cable-----GND.