HM-11 Bluetooth Module CC2541 Bluetooth 4.0 BLE

This BLE module in SMD form utilizes the TI CC2541 chip. It is a low-power consumption and cost-effective module for your projects. With the pre-loaded firmware from the factory, you can set up BLE communications using AT commands. 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
• Range: 30 meters in open space
• No Byte Limit: No byte limit for sending and receiving
• Modulation: GFSK (Gaussian Frequency Shift Keying)
• RF Power: DBM, 23-6 DBM, 0 DBM, 6 DBM, adjustable via AT commands
• TI CC2541 Chip: Provides 256 kB configuration space, AT command set, master and slave modes, serial port baud rate, name and password change features

Technical Specifications:

• Supply Voltage: DC 3.3V
• Communication Protocol: UART (TTL)
• Default Baud Rate: 115200
• Current Consumption (Transmission): 15mA
• Current Consumption (Reception): 8.5mA
• Deep Sleep Current: 600uA
• Operating Temperature: -40 ~ +65°C
• Dimensions: 13.5 x 18.5 x 2.3mm