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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
Technical support
For technical support, please open a ticket on Itead Support System.
Additional Information
Additional Information
| Discontinued | No |
|---|---|
| Link Wiki | No |
| EWeLink Support | N/A |
| 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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