Quatech SS-BLT-100PR. Connectivity technology: Wireless, Host interface: RS-232, Interface: Bluetooth. Data transfer rate (max): 0.1152 Mbit/s. Bluetooth version: 2.0+EDR, Maximum operating distance: 100 m. Power consumption: 80 mA. Width: 65 mm, Depth: 30 mm, Height: 12 mm