This USB UART 5-pin CP2102 module serial converter is useful for electrical engineering and hardware hacking. The adapter is with shrinkable tube protection and indicator lights. It supports hardware or X-On / X-Off handshaking. - Baud rates: 120~1Mbps - USB specification 2.0 compliant with full-speed 12Mbps - 5pin connectors for 3.3V TXD RXD GND & 5V - Shrinkable tube protection - Indicator lights included - USB suspend states supported via SUSPEND & RI pins - 512 byte EEPROM - Hardware or X-On/X-Off handshaking supported - Supports Windows 98/ME/2000/XP/Mac OS 9/Mac OS X/WinCE/Linux 2.40 or above - Comes with 4pin cable (16cm length) - Applications: RS-232 to USB adapter phone USB interface cable etc. - Power supply: self power 3~3.6V; USB bus power 4~5.25V