There are three modes of FCC authentication: VOC, DOC and ID

Three modes of FCC certification in the United States

1. FCC-VOC: This model belongs to self-validation. Wire products include AV products, corded phones, ordinary household appliances, commercial PC, and self-validation equipment including commercial computers, TV and FM receivers, FCC Rule Part 18.

2. FCC DOC: Conformity Statement: Industrial, scientific and medical equipment used by household computers, peripherals and peripherals of computers, civil broadcasting receivers, other receivers of FCC Rule Part 15, TV interface equipment, cable system terminal equipment and mass consumers of Part 18.

3. FCC-ID: This is Certificate. FCC-ID Certificate is applicable to low-power transmitters such as cordless phones, remote controllers for automatic doors, radio remote control toys and safety alarm systems, devices for intentionally transmitting radio frequency energy, industrial, scientific and medical equipment for mass consumers of Part 18, automatic frequency conversion receivers and super-regenerative receivers. Television interface equipment and home computers and their peripherals.