The certification mark, as intended to be used by authorized persons, certifies that the goods are compatible with standards established by Applicant so that consumers will know that the goods are compatible with all other certified goods identified with the above-identified certification mark, such standards shall include the carrier frequency at which a signal is to be transmitted and received, the radiated output power of the transmitter, the bandwidth and sensitivity of the receiver, the modulation scheme of the transmitted signal, a rolling code data format for encrypting the signal, and standardized codes for operating remotely controlled doors, elevators, security systems, and other devices