• Original CP2102 chip, generate the COM after install the driver. 
• Standard MICRO MINI - USB line input by computer USB interface, with 3.3 V and 5 V voltage output power
• With self recovery fuse.In the case of accidental short circuit, which can effectively protect your downloader and computer USB port
• Send and receive, onboard status indicator lights, lights, right after install the driver state will normally on lights, transceiver indicator light will flash, when communication with LED lights.
• Support from 300 BPS baud rate between ~ 1 MBPS

Communication format support: 

1. 5,6,7,8 bits of data;
2. support 1,1.5, 2 stop bits.
3. odd, even, mark, space, none 7, support
4. Operating system: Windows vista/xp / 98/8.1/7, Mac OS X/OS - 9, Linux 8, USB interface for MICRO MINI USB 9, SMD components welding for formal company, stable quality, beautiful appearance 10, with DTR trigger signal output, can be directly to the arduino pro mini ATMEGA328P arduino mainboard download program communication, etc. 
5. module size: 16 mm * 20 mm super small.

Features:

1. The embedded USB transceiver, without external circuit
2. It contains the clock circuit, without an external circuit 
3. Reset circuit embedded on electricity 
4. Output voltage regulation can be within 3.3 V voltage 
5. Accord with the requirement of USB2.0 specification 
6. SUSPEND pin support USB state hung 
7. Asynchronous serial data bus controller interface compatible with all shake hands and modulation signal 
8. Support data format for the data of 8, 1, 2, and stop bit parity bit 
9. The connotation of the 512 - byte receive buffer and 512 words
10. Driver download: http://www.silabs.com/products/mcu/pages/usbtouartbridgevcpdrivers.aspx