Product Code: BT-ADT-RS232 Compliance with Bluetooth Specification Version 1.1 Support RF Power Class 2 Wireless connectivity up to 10m Operating frequency range in ISM band of 2.402GHz to 2.480GHz Bluetooth & DB9 RS232 Interface Advantage in PAN(Personal Area Networkinbg) Friendly working with Laptop,Pocket PC, Palm, Mac OS Device Supporting Windows 95, 98, Me, 2000 or XP