Construction Buck Hoist Intercom Speaker System

Product DescriptionSpecifically designed and manufactured to provide CRYSTAL CLEAR, communications to help create a safer work environment, which increases PRODUCTIVITY and lowers the risk of LIABILITY.Construction hoist intercom speaker system.Hoist intercom speakerHoistCom call systemHoistcom systemHoistcom unitConstruction hoist speakerCall boxSmartcallHoistcom unitMckee Communication SpeakersCommunication unitsDetailed PhotosSafety FirstMainly used on construction and temporary Hoists/Elevators, it is recommended by OSHA and also considered the industry standard in the USA, Canada and Australia.Communication is critical to provide workers with a way to contact the elevator operator in case of an emergency. When a worker is hurt or suffers a heart attack, seconds count to get medical attention to that person.Also, as a general intercom system, supervisors and workers can locate and communicate with each other. The downtime that it takes to find personnel and manage workers is reduced tremendously, thereby adding to the profit of the project. Product ParametersIntercom system Overview- All units are interchangeable.- No antenna wire required.- Two way communications.- Volume controlled Car Units.- Powered by safe 24 volts DC.- Multiple frequency channels.- Emergency alarm switches on all units.- Operates in extreme weather conditions.- Backup battery power supply for Car unit.- Heavy-duty composite Nylon Plastic enclosure.- Up to 3 Multiple Frequency channels selection.- Microphone gain adjustment, for control of feedback.- Mute function, limits amount of Com units that broadcast.Made in ChinaThis product is designed and made in China. Our products incorporate the latest technology and are built with strict quality control in order to guarantee reliability and performance. Recommended by OSHA.INTRODUCTIONSite: Used in the industrial elevator of the building elevator and the construction hoistFunction: Provides an emergency call between the construction of the floor inside the building and the elevator driver. Greatly improves production efficiency, and effectively prevents accidentsStrength: Used in the construction of the elevator intensive areas of reliable use(the radio frequency needn't apply)FUNCTIONAL FEATURE The signal transmission is carried out by using the protection loop line. the signal is stable and reliable, and the special communication cable is not required. The signal and power lines are not connected with high voltage, and the system is safe and reliable. No electromagnetic wave pollution, do no need to apply radio frequency, and can be used in the construction of the elevator intensive and authentic and other construction areas, and will not affect each other. Press the button for the intercom function. It can prompt the communication to be busy. It also has the squelch function. Electronic volume control, convenient volume adjustment. There is an alarm button, that can be used in an emergency. Three frequencies are available, voice clear, and natural.  SPECIFICATION PARAMETERSupply Voltage: 220V AC or 110V ACEffective Range: more than 300m(Conductor loop resistance