Dual-mode Bluetooth module with two-way transmission of data between a TTL serial and Bluetooth devices. It can be used in master / slave mode, supports iBeacon and can be configured using AT commands. The module is supplied mounted on a base with a pitch compatible with Xbee modules. Demonstration codes (iOS and Android) are available for data acquisition, device status monitoring, etc. Power supply: 3.3V / 50mA.

• Bluetooth version: Bluetooth V4.0 EDR / BLE
• Frequency: 2.4GHz ISM
• Modulation: GFSK (Gaussian Frequency Shift Keying)
• Communication distance: SPP 50m, BLE 100m
• Sensitivity: ≤-84dBm (0.1% BER)
• Antenna: integrated
• Transfer speed: about 40% SPP serial speed, about 30% BLE serial speed
• Package size: 60 bytes SPP, 20 bytes BLE
• Buffer serial: 512 bytes
• EDR service: L2CAP, SDP, RFCOMM, SPP
• BLE service: ATT, GATT, LE Service: 0xFFE0, Char: 0xFFE1
• Consumption:
  • SPP: avg 13mA
  • BLE: avg 9.5mA
  • Standard: 10-17mA
• Power supply: 3.3V / 50mA
• Working Temperature: –5°C ~ 80°C