HM-11 Bluetooth Module info
This BLE module in SMD form uses the TI cc2541 integration. It is a low cost modular module with low power consumption for your projects. You can set up BLE communications using AT commands through the firmware that is loaded from the factory. It supports BLE compatible devices such as Android 4.3 and above, iPhone and iPad.
Features:
- Bluetooth protocol: Bluetooth Specification V4.0 BLE
- Operating frequency: 2.4GHz ISM band
- Interface: Serial port
- Outdoor area 30 meters range
- It does not have any byte limit in sending and receiving
- Modulation: Gaussian Frequency Shift Keying (GFSK)
- RF power: DBM, 23-6 DBM, 0 DBM, 6 DBM, can be replaced with AT commutators
- TI CC2541 integration provides 256 kB configuration area, AT command set, master and slave modes, serial port baud rate, name and password change capabilities
Technicial Specifications:
- Supply voltage: DC 3.3V
- Communication protocol: UART (TTL)
- Default baudrate: 115200
- Current drawn during transmission: 15mA
- Current drawn during pickup: 8.5mA
- Deep Sleep Current: 600uA
- Working temperature: -40 to + 65 ° C
- Dimensions: 13.5 x 18.5 x 2.3mm
