37 Installation, maintenance and repair of consumer electronic equipment namely, televisions, DVD players, compact disc players, radios, camcorders, amplifiers, stereo equipment, satellite radio equipment, global navigational hardware, microwave ovens, digital signal processors, soundboards, pagers, speakers, portable audio and communication equipment, namely, radios, repeaters, mobile data terminals, video surveillance equipment, microwave transmitters, paging terminals, amplifiers, and audio sirens in law enforcement and emergency vehicles and facilities