• The adapter can be directly connected
to DB9 female device, you can also connect it to DB9 male device by using a
DB9 converter in the package.
• The default Bluetooth role of BT578 adapter is slave, you can change it to
master role by sending AT command.
• Supports Bluetooth Serial Port Profile and Generic Access Profile. No need
• Multiple power supply, internal 450mA Lithium Battery, external 5V DC-IN.
• Supports AT command configuration in AT command mode.