MARINE AND AVIATION ELECTRONIC EQUIPMENT AND SAFETY EQUIPMENT, NAMELY, RADIOS, EMERGENCY POSITION INDICATING RADIO BEACONS (EPIRBS), PERSONAL LOCATOR BEACONS, SEARCH AND RESCUE TRANSPONDERS (SARTS), MAN-OVER-BOARD ALERT DEVICES, AUTOMATIC IDENTIFIER SYSTEMS, COMPRISED OF VHF FM TRANSCEIVERS, CONTROL UNITS CONTAINING MICROPROSESSOR and GPS RECEIVER, KEYBOARD WITH DISPLAY, VHF AND GPS ANTENNAS; ENTERTAINMENT RADIOS AND AUDIO SPEAKERS, BEACON TESTERS, AND RELATED ACCESSORIES, namely, ANTENNAS, M...