HC-05 Bluetooth Module

PROBT-000005 Categories ,


This Bluetooth is a Bluetooth V2.0+EDR 3Mbps modulation with complete 2.4GHz radio transceiver. This Bluetooth module features a single chip Bluetooth system with CMOS technology and with AFH (Adaptive Frequency Hopping). It can be configured to either Master, Slave or Loopback modes. This Bluetooth module can connect or be connected to any device supporting SPP protocol.


  • Supply Voltage: 5V
  • Supply Current: 50mA
  • Bluetooth Chip: CSR BC417143
  • Bluetooth Protocol: Bluetooth Specification v2.0 + EDR
  • USB Protocol: USB v1.1/2.0
  • Operating Frequency: 2.4 to 2.48GHz unlicensed ISM band
  • Modulation: GFSK (Gaussian Frequency Shift Keying)
  • Transmit Power: 4dBm, Class 2
  • Transmission Distance: 20 to 30m
  • Sensitivity: -84dBm at 0.1% BER
  • Transfer Rate: Asynchronous: 2.1Mbps (Max) / 160 kbps; Synchronous: 1Mbps/1Mbps
  • Safety Features: authentication and encryption
  • Serial Port Settings: 1200 ~ 1382400 / N / 8 / 1
  • Default Baud Rate: 38400, Data bits: 8, Stop bit: 1,Parity: No parity, Data control: Yes
  • Use CTS and RTS to control the data stream.
  • When a rising pulse is detected in PIO0, device will be disconnected.
  • Auto-connect the last device on power as default.
  • Permit matched device connect by default. Default Pincode: 1234


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