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HC-05 Bluetooth Wireless UART Module

HC-05 is a Bluetooth Transceiver Module and has TTL Output. HC-05 6 Pin Wireless Serial Bluetooth Module is a Bluetooth module for use with any microcontroller.  It uses the UART protocol to make it easy to send and receive data wirelessly. This Bluetooth module is a completely qualified Bluetooth V2+Enhanced Data Rate (EDR). It is 3Mbps Module with 2.4GHz radio transceiver and baseband. It has CSR Bluecore 04, an external single-chip Bluetooth system with CMOS technology and AFH, Adaptive Frequency Hopping, feature.

The HC-06 module is a slave only device.  This means that it can connect to most phones and computers with Bluetooth but it cannot connect to another slave-only device such as keyboards and other HC-06 modules.  To connect with other slave devices a master module would be necessary such as the HC-05 version which can do both master and slave.

Specification and Features:

  • Voltage supply: 3.5v to 5v
  • Working current: matching for 30 mA, matching the communication for 8 mA.
  • Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps.
  • With the integrated antenna and edge connector
  • Sensitively: -80dBm
  • RF Transmit Power: up to +4dBm
  • Supported baud rate: 9600, 19200, 38400, 57600, 115200, 230400 and 460800
  • Slave default baud rate: 9600
  • Data bits: 8
  • Stop bit: 1
  • Parity: no parity
  • A programmable input-output control
  • Range: 100m
  • Supported device: laptop, desktop, mobile, tablet
  • Protocol: IEEE802.15.1
  • Dormancy current: no dormancy.
  • Bluetooth module HC-05 Master and slave Two in one module.
  • Use the CSR mainstream Bluetooth chip, Bluetooth V2.0 protocol standards.
  • Bluetooth protocol: Bluetooth Specification v2.0+EDR
  • Security: Authentication and encryption.


  • Embedded Projects.
  • Industrial Applications.
  • Computer and Portable Devices.
  • GPS receiver.

Package Includes:

1 x HC-05 Bluetooth Module.

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