HC 05 Bluetooth Module with TTL Output

To
setup Wireless Serial Communication, HC-05 Bluetooth Module is most
demanding and popular due to its low price and extremely high features.

This
module can be used in Master or Slave Mode and easy switchable between
these two modes, By default Slave mode is configured.

Modes can be changed using AT Commands.

The
slave mode in HC-05 cannot initiate a connection to another Bluetooth
device, but can accept connections.Master mode can initiate a connection
to other devices.

HC-05 Specifications:- 

• Profiles: Bluetooth serial port Profile
  
• Bluetooth protocol: Bluetooth Specification v2.0+EDR
  
• Frequency: 2.4GHz ISM band
  
• Modulation: GFSK(Gaussian Frequency Shift Keying)
  
• Emission power: ≤4dBm, Class 2
  
• Sensitivity: ≤-84dBm at 0.1% BER
  
• Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps
  
• Security: Authentication and encryption
• Power supply: +3.3VDC 50mA
  
• Working temperature: -20 ~ +75Centigrade
  
• Dimension: 26.9mm x 13mm x 2.2 mm

HC-05 Applications:-

• Embedded Projects
  
• Industrial Applications
  
• Computer and portable Devices
  
• GPS receiver