Allows your device to both send or receive the TTL data via Bluetooth technology without connecting a serial cable to your computer.

    Works with any USB Bluetooth adapters.
    Default Baud Rate: 9600,8,1,n.
    Built in antenna.
    Coverage up to 30ft.
    Bluetooth version: V2.0+EDR
    Operating voltage: 3.3V
    Default Baud Rate: 9600,8,1,n.
    Signal coverage: 30ft
    Cable length: 21.5cm
    Item size: 4.3 * 1.6 * 0.7cm
    Item weight: 3g
    Package size: 9 * 3 * 1cm
    Package weight: 8g


    Commercial Series: Bluetooth module board Series
    With LED indicator light, use 150mA and 3.3V regulation chip.
    With VCC?GND?TXD?RXD foot for the Bluetooth
    With "Re-seach" button(ON/OFF/WAKE foot for it , external MCU outinput "High level" can control module to re-seach)
    Compatible with bluetooth master module"?slave module"or master-slave(whole) module.
    Input voltage: 3.3~6V
    Size: 1.55cm*3.98cm

 Note:
input power supply 3.3~6V, Prohibit more than 7V
No "Automatically prevent power supply peversing func", so please correctly connect power supply
We advise to install "Bluetooth master module"
The "State" is output foot for LED status, when bluetooth "Unconnected", output "Pulse" ; when bluetooth "connected", output "High level", we can determine the states from "MCU"
If only the board , No any "Bluetooth Function "