HC-08 4pin Bluetooth Module without Button


In stock

SKU: 617880
  1. Bluetooth protocol: V4.0 BLE
  2. 80 meters of extreme Open space distance communication.
  3. Based on TI CC2540 chipset
  4. Bluetooth class 2
  5.  Support for on-board applications
  6.  Operating frequency: 2.4 GHz  ISM band
  7.  Modulation method: GFSK (Gaussian Frequency Shift Keying


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Brand: Generic
Category: Bluetooth and NRF Modules

HC-08 Bluetooth UART communication module is a new generation of Bluetooth V4.0 BLE Bluetooth protocol based on the transmission module. Wireless working frequency is 2.4GHz ISM, modulation is GFSK. The maximum transmit power module 4dBm, the receiving sensitivity is -93dBm, and iphone4s can achieve 80 meters of super long-distance communication under an open environment.

The module uses the CC2540 chip, the configuration of the 256K Byte space, supports AT command, the user can according to need to change the role and the serial baud rate, equipment name and other parameters, the use of flexible.

The module is mainly used for short-range data wireless transmission, such as Bluetooth wireless data transmission, Industrial remote control, telemetry, traffic, underground positioning, alarm, smart home etc. It can also be used as Industrial serial port Bluetooth, Drop-in replacement for wired serial connections.

Note: Default pairing code is 1234


  1. Based on TI CC2540 chipset
  2. Bluetooth class 2
  3. Industrial level SPP Bluetooth module
  4. Integrated chip antenna
  5. Industrial temperature range from -40 to +85
  6. Support for on-board applications
  7. Modulation method: GFSK
  8. Transfer rate: Asynchronous: 6 KBPS Synchronous: KBPS

Package Includes :

1 x HC-08 Bluetooth 4.0BLE Serial Port Module.

SKU: 617880 Category:

2.4GHz ISM.


BLE 4.0.

Bluetooth Version


Power supply

3.6 V~ 6V

Max transmitting power

Max. 4dBm.

Modulation System


Serial Baud Rate

1200 to 115200 bps.

Reference Distance

80 meters.


1Mbps (Max).

Sleep Mode Current

0.4uA (MODE 2).

Communication Port


Working temperature

-20 ~ +75°C.

Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.05 kg
Shipping Dimensions 5 × 4 × 1 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Questions and answers of the customers

    how to enter AT command mode in Without button BT ... Read more
  1. 0 votes
    Q how to enter AT command mode in Without button BT modules
    Asked by vinothkannan543 on July 23, 2020 10:17 pm
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Country Of Origin: China