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Seeed Studio Bluetooth BLE module HM-BT4502, Seeedstudio 11399081
3809371 AN-16331
5904422344399
Shipping 11-18 b.d.
All about the product
Bluetooth BLE communication module with 5.0 standard, based on HM-BT4502 chip. When connected to a microcontroller, it can interact and send data to devices such as smartphones and tablets. Interacts via UART interface, supports AT commands. Supports the command to reset the firmware and obtain the MAC address. Additionally, using AT commands, you can set the communication interval and transmission speed. Powered from 1.8 V to 3.6 V.
Key features:
- Controlled via serial interface, full-duplex bidirectional communication, minimum speed is 9600 b/s
- Default communication interval is 30 ms
- Supports 2M transmission symbol and 244 byte packets
- Supports AT commands for basic settings
Specifications:
- Operating voltage: from 1.8 V to 3.6 V
- Operating temperature: from -40 °C to 125 °C
- Modulation mode: GFSK (Gaussian Frequency Shift Keying)
- Modulation frequency: from 2402 MHz to 2480 MHz
- Current consumption when receiving data: less than 8 mA / 3 V
- Power consumption when transmitting data: less than 4 uA / 3 V
- Tx power: from -20 dBm to 8 dBm
- Rx sensitivity: -97 dBm
- Dimensions: 17 x 12 mm
Links:
Manufacturer's page
Manual
