1.Bluetooth 2.4GHz~2.4835GHz license-free ISM Band frequency hopping 2.Connections within ranges up to 32 feet (10 Meters in open site) (Distance varies depending on actual environment) 3.Connects up to 7 BT devices in a Piconet 4.Data rate: 723kbps (theoretical) 5.Class 2 Bluetooth radio 6.RF module sensitivity: -80dbm at 0.1% Bit Error Rate (BER) 7.Security: encrypted link, authentication 8.Bluetooth profiles support includes: Generic access profile (GAP) Serial port profile (SPP) Service discovery app profile (SDAP) Generic object exchange profile (GOEP) Object push profile (OPP) File transfer profile (FTP) Dial-up network profile (DUN) LAN access profile (LAP) Fax profile (FAX) ActiveSync Headset Profile (HSP) Human Interface Device (HID) Personal Area Network (PAN) Basic Imaging Profile (BIP) Hardcopy Cable Replacement Profile (HCRP)