FCC standards Part15 B B means

Standard FCCPart15 B B means
In fact accurate said FCC Part 15 B should be FCC Part 15 Class B (grade B digital devices).
Class A and Class B definition:
Class A digital device-A level digital devices
A digital device that is marketed for use in A commer cial, industrial or business
Environment, exclusive of a device which is marketed for use by the general public
Or is intended to be used in the home. On the market for commercial, industrial and business in the digital devices used in the environment, but not including on the market for the general public or family to use device.
Class B digital device-a Class B digital devices
Class B digital device. A digital device that is marketed for use in A residential
Environm