Signaling products and systems for radio and line communication, namely, encoders and audio decoders for mobile radio and radio systems and radio equipment; operator control consoles in the nature of electric installations on vehicles and water craft to receive and send information on location, speed and incidents to and from a central control system and other physical locations; signaling translators in the nature of computer hardware and peripheral devices and computer software for data translating installed on vehicles and water craft to receive and send information on location, speed and incidents to and from a central control system and other physical locations; paging apparatus; selective call and automatic number identification modules in the nature of telephone call screening and blocking device consisting of a microprocessor that uses the telephone cord between the telephone and wall jack for the purposes of blocking unwanted calls and identifying callers; selective callers and automatic number identifiers modules in the nature of telephone equipment, namely, caller identification boxes; data transmission apparatus; telemeters and alarms, namely, acoustic sound alarms, burglar alarms, electronic door alarms, fire alarms, smoke alarms and sound alarms