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HM-12 is a low consumption bluetooth BLE module. It supports dual mode: SPP and LE, which means it not only support bluetooth 2.1 but also supports BLE. It supports L2CAP, RFCOMM, SPP, GATT, GAT standard Bluetooth protocol.

HM-12: Dual Mode Bluetooth 4.0 BLE SPP LE Serial Port Module for Apple and Android

Model: IM151118002
$8.90

Availability: In stock

HM-12 is a low consumption bluetooth BLE module. It supports dual mode: SPP and LE, which means it not only support bluetooth 2.1 but also supports BLE. It supports L2CAP, RFCOMM, SPP, GATT, GAT standard Bluetooth protocol.

 

Product Description

Details

Overview

HM-12 is a low consumption bluetooth BLE module. It supports dual mode: SPP and LE, which means it not only support bluetooth 2.1 but also supports BLE. It supports L2CAP, RFCOMM, SPP, GATT, GAT standard Bluetooth protocol.

Features

  • 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
  • Service: L2CAP,、SDP,、RFCOMM、SPP ATT、GATT,、LE Service: 0xFFE0、Char: 0xFFE1
  • Power: +3.3VDC 50mA
  • Power: In sleep mode 10-17mA, SPP mode 13mA, BLE mode 9.5mA
  • Working temperature:–5 ~ +65 Centigrade
  • Compatible with Bluetooth 3.0/2.1
  • Open environment within 60m (100ft) can realize communication between modules
  • Firmware:V218

Dimension

Pins

Documents

Bluetoothdual_en.zip

Technical support

For technical support, please open a ticket on Itead Support System.

Additional Information

Additional Information

Discontinued No
Link Wiki No
EWeLink Support No
Module Type No
Weight 1 g
Model IM151118002
Board Size 13*28*2.3mm
Version IM151118002
Operation Level Digital 3.3V

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