Ionic Android pairing with Bluetooth without PIN

I am working with bluetooth module. I have a Ionic app that uses the Bluetooth Serial plugin and I can connect to the bluetooth module successfully, however I want to be able to remove the pop up that appears asking the user to enter the PIN to pair my Android to the Bluetooth module. I know this can be done using native SDK, example here and here. But not sure how I would go about it using Ionic.