To whom may concern :

What is the security mode of bluetooth module ?

1.Every one can pair with the Bluetooth-module

2.It will auto connect to the Bluetooth-module which you have connected last time

3.Need password then can pair with the module

4.Anderen

These are spp security mode ,how about ble security mode ?


BLE Security Mode :

No password ,the most common method (factory default settings

PASSKEY:when pair, it need input any number from 0~999999.(Some android cellphones with poor compatibility for this ,so usually we do not recommend this.


SPP Security Mode:

Spil:LEVEL 2 ,security simple pairing mode

Support pair with password

For more detail ,feel free to Contact Feasycom .