DX-BT18 Serial Bluetooth Module - Supports SPP2.0/BLE4.0

DX-BT18 Serial Bluetooth Module is a wireless serial communication module for Bluetooth data exchange. It supports SPP2.0 and BLE4.0 for serial port communication. The module uses AT commands for control and can be identified by name after power-up. It is designed as an industrial serial port Bluetooth module for replacing wired serial connections in projects.

Features of DX-BT18 Serial Bluetooth Module

• SPP2.0 support
• BLE4.0 support
• AT command control
• Serial port communication
• Internal PCB antenna
• Wireless serial link

Specifications of DX-BT18 Serial Bluetooth Module

• Working frequency: 2.4 GHz
• Antenna interface: Internal PCB antenna
• Range: 30-40 meters (outdoors)
• Operating voltage: 3-3.6 V DC
• Communication protocol: UART3.3VTTL
• Standby power consumption: 4.4 mA
• BLE transmit power consumption: 3.8 mA
• APP transmit power consumption: 12 mA
• RSSI support: Not supported
• Transmit power: 5 dB
• Receive sensitivity: Less than 90 dB
• Communication level: 3.3 V
• Operating humidity: 10%-90%
• Size: 27x13x2.35 mm

How to Use DX-BT18 Serial Bluetooth Module

1. Connect the module to a UART3.3VTTL interface.
2. Apply 3-3.6 V DC operating voltage.
3. Use AT commands to configure and control the module.
4. Search for the Bluetooth name on a phone or laptop after power-up.

More Info

• Suitable for wireless serial communication projects.
• Functions as a replacement for wired serial connections.