The DSD TECH team has designed more than 20 USB to TTL serial adapters. We are the world's most comprehensive TTL serial adapter supplier. Any of your serial adapter needs can be met here. Specification: Model: SH-U06B Main chip: Prolific PL2303GC Pin Definition: CTS,RTS,RXD,TXD,GND,5V,3.3V,DSR,DTR, TTL Level: 3.3V USB interface: 2.0 The maximum speed: 12Mbps About indicator LED: PWM LED:Power Indicator RXD LED:The data transmission indicator flashes when there is data from the USB port. TXD LED:The data receiving indicator flashes when the USB port receives data. List of supported systems: 1,Windows xp,7,8,10 2,Linux 3,Mac OS You can download the driver directly from Prolific Technology Inc's website Packing list: 1 X SH-U06B USB to TTL Adapter with a plastic case 1 X User Manual 1 X 6 PIN DuPont cable WARRANTY: DSD TECH offers a 1-year warranty and lifetime technical support for this USB-to-TTL adapter?If you meet any question, Please contact us, We will fix your issue within 24 hours.

Warranty:DSD TECH provide a 1 year warranty and lifetime technical support for this USB to TTL Serial Adapter.if you have any questions, please feel free to contact us. We will respond within 24 hours. Compatibility: This cable is compatible with Windows 7, 8, 10 and various Linux OS and Mac OS. PROLIFIC PL2303GC: PL2303GC is the latest serial chip from Prolific Technology Inc. The maximum speed can reach 12Mbps, while the maximum speed of FT232RL is only 3Mbps. USB to TTL: Interface with TTL Serial Device using this USB Type A Serial adapter. The pin interfaces are: VCC (5V), VCC(3.3V) ,GND, TX, RX, CTS, RTS. Very suitable for electronic engineering development or burning various firmware. DSD TECH: DSD TECH focuses on the development of communication connection devices such as USB/Serial/Wireless. We have served more than 100,000 customers in Europe, North America and Japan.