In compliance with FCC part 15.21 regulations, the following applies to all SmallHD Products:
Changes or modifications to this equipment not expressly approved by SmallHD could void the user's authority to operate the equipment.
The following statement applies to the SmalllHD 501 and 502:
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.
Additional information may be found in your device's Settings menu.