1.BT12 dual-mode Bluetooth module using Airoha Bluetooth dual-mode chip AB1122, using the standard SPP Profile to achieve the traditional Bluetooth data transmission, and through the embedded data transparent special service to achieve GATT-based BLE data transmission .

2.BT12 dual-mode Bluetooth module supports serial command mode, for the realization of external MCU and module interaction.

3.The user can configure parameters and some control through the serial command, such as modifying the Bluetooth name, address, control module into pairing, shutdown and so on.

4.Bluetooth Version:Specification V4.0 EDR and BLE.

5.Serial Port Buffer Zone:512 Bytes.

6.SPP Device:module,every pack max 127 Bytes.

7.BLE Device:module,every pack max 20 Bytes.