Sunix's UTS2009B is an USB to RS-232 adapter which offers the user serial port connections. The port have a data transfer rate up to 120Kbps. Users are able to connect their serial devices through the adapter to the USB port on their system. The UTS series also support wake on line and power management function. It has dual data buffers for upstream and downstream data flow.

Features:
Expands 2 RS-232 ports on system via USB connection.
Supports Universal Serial Bus Plug-n-Play and Hot-Swapping feature.
No IRQ, DMA, I/O address resource required.
Supports USB1.1 full speed 12Mbps, and it is USB2.0 compatible.
Each serial port provides transmission rate up to 115.2Kbps.
Built-in ±15KV ESD protection for all serial signals.
Plug-n-Play, I/O address and IRQ assigned by BIOS.
Certified by CE, FCC, RoHS, and Microsoft WQHL approval.

Specs:
Interface: RS-232
Controller: Moschip MCS7720 16C550 UART Compatible
Bus Interface: Universal Serial Bus (USB) 2.0 / 1.1
No. of Ports: 2