USB 2.0 to RS485 Converter and all kinds of 485 interface docking, transmission distance up to 1000 meters;Mainchip:CP2102(SILICON LABS) ,Industrial chip, high quality, super stable. The Lead PINS include: A +, B-, GND ,GND,5V0;Industrial Product, With 15KV ESD protection and overvoltage protection Features:1. Industrial level protection: transient suppression protection, ESD protection, surge protection, AB signal line short circuit and power supply short circuit protection (short circuit does not burn 2. Transmission distance up to 1200 meters (tested at 9600bps);3. Support the baud rate of 921600, which is much higher than 115200, and the baud rate of pairwise mutual transmission is higher 4. Multi system supports hot plug, WIN98 / CE / 2000/2003/2008 / xpwn7n8 / wn10 Vista / Linux / system, and USB interface can be hot plug 5. Automatic identification and control of data transmission direction, without any handshake signal (such as , DTR, etc.) and without jumper setting, mode conversion can be realized to compliance with existing communication software and interface hardware;6. With TXD, RXD indicator light Specification Description: 1. Power supply: usb5v 2. Transmission distance: up to 1200m (9600bps) 3. Chip scheme: ch340 4. Communication protocol: hardware only, not limited by protocol 5. Baud rate: up to 921600bps, supporting mutual transmission supports higher baud rate 6. Protection: transient suppression protection, ESD protection, surge protection, AB signal line short circuit and power supply short circuit protection (short circuit does not burn) 7. Temperature range:-40 Celsius-80 Celsius 8. Provide external 5V power supply with fuse to limit current 9. Support system: support hot plug, support WIN98 / CE / 2000/2003/2008 / xpwn7wn8 / wn10 / Vista/ Linux / system, USB interface can be hot plug 10. Automatic identification and control of data transmission direction can realize mode conversion without any handshake signal (such as , DTR, etc.) and jumper setting, so as to compliance with existing communication software and interface hardware. 11 weight: 16g/ pcs colour: blue Material: ABS size: 70*27*13mm Package Contents: 10 *usb to rs485 communication module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.