FCC Instructions: : This product has been tested and found to comply with the limits for a Class B digital device, pu r s u a n t to Part 15 of the FCC Rules. Th es e limits are des igned to provide reasonable protection against harmful interference in a residential installation. This produ ct generates, uses and can radiate radio freq uency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.