Bluetooth module HM-BT4502


In stock

SKU: 1195286
  1. Working voltage: 1.8V-3.6V.
  2. Working temperature: – 20℃~+85℃.
  3. Modulation frequency: 2402MHz-2480MHz.
  4. Transient current of receiving data: less than 8mA@3V.
  5. Easy to use without any experience in Bluetooth stack application.


(Including GST)

In stock

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Category: Bluetooth and NRF Modules
Tags: HpoeRF Product on Sale

HM-BT4502 / HM-BT4502A is a wireless data pass-through module based on CMT4502 Bluetooth Low Energy 5.0 chip. By connecting with MCU, it can quickly realize the connection and data communication between the module and Bluetooth devices such as smartphones and tablets. MCU takes up less resource and development is simple.


  1. Easy to use without any experience in Bluetooth stack application.
  2. User interface uses universal serial port design, full-duplex two-way communication, minimum baud rate support 9600 bps.
  3. Default connection interval is 30 millisecond, fast connection.
  4. Support 2M symbol transmission.
  5. Support 244 bytes packet transmission.
  6. Support AT instruction for software reset and get MAC address.
  7. Support AT instruction to set Bluetooth connection interval and control
    different forwarding rates (dynamic power adjustment).

Packages Includes:

1 x Bluetooth module HM-BT4502.

Working Voltage


Working Temperature Range

– 20℃~+85℃

Modulation Mode

GFSK (Gaussian Frequency Shift Keying)

Modulation frequency


Tx power

– 20dBm ~+8dBm

Rx Sensitivity (dBm)


Shipment Weight

0.01 kg

Shipment Dimensions

5 × 4 × 1 cm

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Country Of Origin: China