Bluetooth module HM-BT2201L


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SKU: 1195285
  1. Working Voltage: 1.71V-3.8V.
  2. Working Temperature: -20℃~+85℃.
  3. Modulation Mode: GFSK Gaussian Frequency Shift Keying.
  4. Modulation Frequency: 2402MHz-2483.5MHz.
  5. Based on ARM: Cortex-M33 32-bit processor.
  6. Support BLE: 2.4GHz multi-protocol.


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

HM-BT220X is a BLE data transmission module, based on a BLE 5.2 SoC chip (ARM Cortex-M33 32-bit processor, up to 76.8MHz working frequency), embedded with a 2.4GHz transceiver, equipped with an
on-board PCB antenna. The module communicates with an external MCU to quickly set up wireless connection and data transmission between BLE slave devices and BLE master devices (such as mobile phones and tablets). The external MCU has a low resource occupation and the development process is very easy.

The Bluetooth technology manages the communication channel of the wireless part. The Bluetooth modules can transmit and receives the data wirelessly by using two devices. The Bluetooth module can receive and transmits the data from a host system with the help of the host controller interface (HCI).
Note: Product image may vary from the actual product.


  1. Based on ARM: Cortex-M33 32-bit processor.
  2. Support BLE: 2.4GHz multi-protocol.
  3. Supports BLE protocol stack from: 4.x to 5.2.
  4. Up to 512KB of FLASH and 32KB of RAM.
  5. Support 14 general-purpose I/O ports, configurable mapping and Can be used as a BLE data transmission module or as an MCU alone.
  6. Support a universal serial interface UART communication.
  7. Support AT command to reset module, get MAC address.

Packages Includes:

1 x Bluetooth module HM-BT2201L.

Working Voltage


Operating Temperature (°C)


Modulation Mode

GFSK Gaussian Frequency Shift Keying

Modulation frequency


Receive Current

3.6mA @1Mbps GFSK

Emission Current


Deep Sleep Mode Current

1.4uA @EM2 Deep Sleep

Receiving Sensitivity

-98.9dBm @1Mbps GFSK

Shipping Weight 0.01 kg
Shipping Dimensions 5 × 4 × 1 cm

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Questions and answers of the customers

    How to program gpio of this deice
  1. 0 votes
    Q How to program gpio of this deice answer now
    Asked by Nishanth Vurumalla on May 1, 2022 9:28 am
    A You will need an extension board or solder the hea... Read more
  2. What is the uart tx and rx pin voltage for this mo... Read more
  3. 0 votes
    Q What is the uart tx and rx pin voltage for this module answer now
    Asked by Nishanth Vurumalla on May 1, 2022 9:26 am
    A Hello, for pinout mail us at https://support.robu.... Read more
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Country Of Origin: China