Bluetooth to Serial Module HC-05

in Bluetooth HC05 Master or Slave can be switched by Your Self, in Comparison Master/ Slave Mode in The Bluetooth to serial Module HC06 or HC07 can' t be switched by user ( HC06/ 07 usually is slave mode) Product Description : 1. Using CSR Bluetooth Chip, Bluetooth Standard ver.2.0 2. Low supply voltage 3.3V. 3. Baudrate 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, can be set by user. 4. Board Size : 28mm x 15 mm x 2.35mm. 5. Working Current : Pairing 20^ 30MA. Paired : 8MA 6. Sleep Current No Sleep 7. Application Area : GPS System, Water, Gas, Electricity Meter Reading device, Industrial data collection. 8. Can be used with Computer, Notebook, and all device with Bluetooth supported