@Override
	public void writeToParcel(final Parcel dest, final int flags) {
		dest.writeParcelable(device, flags);
		dest.writeInt(mtu);
	}
Returns the agreed MTU. The maximum packet size is 3 bytes less then MTU.

@return The MTU.
ble/src/main/java/no/nordicsemi/android/ble/response/MtuResult.java