Specifications: Chip: CP2102 Interface: USB to TTL, 3.3V (<40mA), 5V, GND, TXD, RXD Power output: Dual 3.3V and 5V Communication format support: 1) 5, 6, 7, 8 data bits; 2) support 1, 1.5, 2 stop bits; 3) odd, even, mark, space, none check Baud rates: 300 bps to 1Mbps Material: PCB 1. This is a USB 2.0 to TTL UART 6PIN CP2102 Module Serial Converter. Connect MCU easily to your computer! 2. Stable and reliable chipset CP2102 3. USB specification 2.0 compliant with full-speed 12Mbps. 4. Standard USB type A male and TTL 6pin connector. 6pins for 3.3V, RST, TXD, RXD, GND & 5V. 5. All handshaking and modem interface signals. 6. Baud rates: 300 bps to 1.5 Mbps. 7. Byte receive buffer; 640 byte transmit buffer. 8. Hardware or X-On/X-Off handshaking supported. 9. Event character support Line break transmission. 10. USB suspend states supported via SUSPEND pins. 11. Temperature Range: -40 to +85. 12. Support operating system: Windows 8/7/Vista/xp/server 2003/200, Mac OS-X/OS-9, Linux Packing Included: 4 x USB To TTL 5 pin UART STC Downloader Module 4 x Jumper Wires (20cm) See more

Supported operating systems: Windows 98/Me/2000/XP/7 MAC OS-9 MAC OS X-Windows CE Linux 2.40 or later. Module has status indicator light, sending and receiving indicator lights. After the driver is correctly installed, the status indicator will be on, the sending and receiving indicators will flash when communicating, and the higher baud rate, the lower brightness. Standard USB type A male and TTL 5pin connector. 5pins for 3.3V, RST, TXD, RXD, GND & 5V. Supports full range of STC single-chip microcomputer with output voltage 3.3V and 5V. Just need to install SW Drivers from Silabs website, used it under linux to connect over serial to various boards, including for Arduino and for Raspberry Pi. Stable and reliable chipset CP2102, Baud rates: 300 bps to 1.5 Mbps Designed to be used for USB to TTL electronic projects.