HC‑05 Bluetooth Serial Module — Master/Slave TTL

HC‑05 Bluetooth V2.0 SPP module — easy serial link for Arduino and microcontrollers, supports AT configuration.

Key Features:

• 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% BERCSR Bluetooth Chip Solution
• Enhanced Data Rate (EDR) compliant with V2.0.E.2 of the specification for both 2Mbps and 3Mbps modulation modes
• Full Speed Bluetooth Operation with Full Piconet Support and Scatternet Support
• Incredible small size with 3.3V input, and RoHS Compliant
• UART interface and with baud rate setup function