Bluetooth Serial Transceiver Module - HC-05

• Model: HC-05
• Working frequency band: 2.4G
• Communication interface: UART3.3VTTL level
• Working voltage: 3.0~3.6V
• RSSI support: not supported
• Communication level: 3.3V
• Transmit power: 4dBm (maximum)
• Reference distance: 10 meters
• Air speed: 2Mbps
• Antenna interface: built-in PCB antenna
• Communication current: 15mA
• Receive sensitivity: -85dBm@2Mbps
• Working humidity: 10%-90%
• Storage temperature: -40 ° C ~ +85 ° C
• Working temperature: -25 ° C ~ +75 ° C
• Module size: 27*13mm