D-Link DBT-120 User Manual page 38

Medium-the default security setting is configured at the service-level. Service
level security means that each individual service must have its security
settings (Authentication, Authorization and Encryption) set independently.
Note: If the security mode is Medium and service-level security is not configured,
any Bluetooth device will be able to discover your computer and use it services.
The Hardware tab of the Bluetooth Configuration Panel provides basic information
about the Bluetooth hardware installed on this computer and access to the Advanced
Settings dialog box, if required:
Devices:
Name: the name of the device
o
Type: the type of device, e.g., USB.
o
Hardware Tab
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