Features: -Antistatic, anit-jamming, stable performance. -Baud Rate Range: 75 ~ 115200 bsp; maximum speed up to 500 kbps. -This converter supports the latest operating systems including Windows XP, Vista, Win7. Can be used by plugging directly into your personal computer, no external power supply or data cable needed. This converter supports USB 2.0 interface, and is backwards compatible with USB 1.1, inline with RS485 standards. Application: LED display data communication; machine PLC data read, write, and PTZ control; Centralized control of household electrical appliances; access control systems; variety of industrial automation; instrumentation; employee attendance machine; highway toll station; ATM machine. Package Includes: 1 x JBtek USB to RS485 Converter Adapter

Small enough to carry with you anywhere. No external power supply or data cable needed. TVS surge protection; USB self-recovery protection. Supports the latest operating system, including 64 bit Windows 7. This converter adapter uses the high-performance ch340T microchip.