DC2C1BZ001 User’s Manual DOC NO.EU-01Z05A62. HOW TO USE BLUETOOTHThis Bluetooth Card has under HCI protocol.You can use the HCI command through the COM portThere is Bluetooth specification on http://www.bluetooth.com/3. GENERAL SPECIFICATIONS1-1 Bluetooth Specification Power Class 31-2 Frequency range 2402 MHz to 2480 MHz1-3 Channel system TDMA1-4 Duplex system Half duplex/TDD1-5 Total number of channels 79 ch1-6 Nominal antenna impedance 50 ohm1-7 Intermediate frequency Zero IF1-8 Modulation system GFSK/ BbT= 0.5(Air Interface) Data rate: 1MbpsProcess gain Frequency hopping 1600hops/sec1-9 Operating voltage Vcc: 3.3 V+/-5%1-10 Absolute maximum supply voltage Vcc: 4.0 V(Ta=25 deg.)1-11 Weight 13 g/ typ.