HM-12 4.0 Dual mode bluetooth module , BLE SPP LE serial port , V4.0 EDR + BLE dual mode

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HM-12 4.0 Dual mode bluetooth module , BLE SPP LE serial port , V4.0 EDR + BLE dual mode

HM-12 is Bluetooth V4.0 BLE version. Use TI Chip.

BT Version: Bluetooth Specification V4.0 EDR and BLE

  • Send and receive maximum byte count is 90 bytes.
  • Working frequency: 2.4GHz ISM band
  • Modulation method: GFSK(Gaussian Frequency Shift Keying)
  • Speed: SPP: 50% serial port rate
  • BLE: 50% serial port rate
  • Security: Authentication and encryption
  • Service: L2CAP , SDP, RFCOMM, SPP, ATT, GATT, LE Service: 0xFFE0, Char: 0xFFE1
  • Power: +3.3VDC 50mA
  • Long range: Open space have 100 Meters with BLE
  • Power: In sleep mode 10-17mA, SPP mode 13mA, BLE mode 9.5mA
  • Working temperature:-5 ~ +65 Centigrade
  • Size:26.9mm x 13mm x 2.2 mm
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