This small size Bluetooth TTL transceiver module allows your target device to both send or receive the TTL data via Bluetooth technology without connecting a serial cable to your computer. It's easy to use and completely encapsulated.
TTL data transparent transfer between a host Bluetooth device.
Works with any USB Bluetooth adapters.
Default Baud Rate: 9600,8,1,n.
Coverage up to 30ft.
Built in antenna.
Power input: +3.3VDC.