RS232 Bluetooth Serial Adapter Communication Master Slave Module 5v Mini USB
Review: 5 - "A masterpiece of literature" by John Doe, written onMay 4, 20020

RS232 Bluetooth Serial Adapter Communication Master Slave Module 5v Mini USB

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  • Product SKU: KG531
₹ 1,199 ₹ 1,919
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The "RS232 Bluetooth Serial Adapter Communication Master Slave Module 5V Mini USB" is a module designed to enable wireless communication between devices using Bluetooth technology. This module specifically supports RS232 serial communication and can function as both a master and a slave device.

Here's a breakdown of its key features:

Bluetooth Communication: The module utilizes Bluetooth technology to establish wireless communication between devices. This can be particularly useful when you need to create a wireless link between devices that were originally designed for wired serial communication.

RS232 Serial Interface: RS232 is a standard for serial communication between devices. It's commonly used for connecting devices such as computers, microcontrollers, sensors, and other peripherals. This module allows you to establish a wireless RS232 connection over Bluetooth.

Master and Slave Modes: The module can function in both master and slave modes. In a Bluetooth connection, the master device initiates communication and controls the connection, while the slave device responds to the master's requests.

5V Mini USB Power Supply: The module can be powered using a 5V power source, and it likely features a mini USB connector for power input.

Communication Range: The communication range of the Bluetooth module depends on various factors such as the Bluetooth version, the environment, and any potential obstructions. Bluetooth Classic, which this module likely uses, typically has a range of several meters to around 100 meters.

Compatibility: The module should be compatible with devices that support Bluetooth Classic communication, such as computers, smartphones, and other Bluetooth-enabled devices.

Configuration and Pairing: Depending on the module's design, you might need to configure its Bluetooth settings, such as the device name and pairing information. Pairing involves establishing a secure connection between the master and slave devices.

Serial Data Exchange: Once paired and connected, the master and slave devices can exchange serial data wirelessly over the Bluetooth link. This can be data from sensors, control commands, or any other information that needs to be transmitted between devices.

Integration with Microcontrollers and Computers: Integration with Microcontrollers and Computers: You can integrate this module with microcontrollers (e.g., Arduino, Raspberry Pi) or computers to enable wireless communication in your projects. Software development might involve configuring serial communication libraries to work with Bluetooth connections.

Technical Details

  • Interface: RS232
  • Executive standard Bluetooth SIG v2.1+EDR
  • Bluetooth protocol: Bluetooth serial port profile (SPP)
  • Communication speed: 1200,2400,4800,9600,19200,38400,57600,115200,230400,460800,921600,1382400 bps
  • Modulation type: 2.4G ISM direct sequence frequency hopping (FHSS)
  • Communication distance: 15M at open space, class 2 level
  • Transmit power: 4 dBm
  • receiving sensitivity: -79dbm
  • operating voltage: 5v
  • Sleep current operating current: 40ma/1.6ma(typical value)
  • Operating temperature Storage temperature -10-50 /-20-80 degrees celsius


This product is embedded within the Bluetooth communication protocol, there is no need to install the driver can be used on Windows systems, You can also use Doss, Linux, and another non-graphical operating system.

Support the Bluetooth serial port profiles(spp), and with a Bluetooth-enabled notebook computer, equipped with a Bluetooth adapter, desktop computers, handheld Bluetooth PDA and Bluetooth GPS device supports Bluetooth spp service connections and communication.

Equipped with a reset button can remove the saved paired device information and be repaired with the new Bluetooth

Adopt Bluetooth chip Bluetooth 2.1 standard. enhanced ber error rate performance and automatic frequency hopping technology can ensure efficient and secure communication and has a stronger anti-jamming capability to ensure the stability and reliability of the communication.

Users can set by using the at a command from 1200bps nm total of 12 different baud rates (default is 9600,n,8,1), and can also set for the device a more personalized Bluetooth name.

Transmitted power complies with the Bluetooth class standard, built-in high sensitivity PCB printed antenna, and stable communication distance can up to 15m.

Physical Attributes

  • L x W x H (mm): 50 x 35 x 14
  • Weight (gm): 18

Package Includes

  • 1 x RS232 Bluetooth Serial Adapter Communication Master Slave Module 5v Mini USB

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