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• ✨Description: Thanks for visiting our wireless calling system-call buttons-transmitter webpage Now our wi-fi calling programs are widely used in instant meals restaurant, food court, clinic, church, hospitals, spa & salons and auto shop or other queue events They are welcomed and popular ✨Advantages: Save labour charge Improve provider picture Most important, upgrade efficiency ✨How to use the wireless calling system: First, the calling buttons are pasted or wear the wall or at the table, when the visitor have any service, he or she press the calling buttons, the receiver (LED screen or watch pager) gets sign with vibration or sound, exhibiting the desk number, then the waiter will know which table to be served Specifications for Call Button: Specification for CTT12 Call Button:Dimension: 50*50*13 mmTransmitting power:+13dBmMaterial: ABS PlasticColor:Body:WhiteRing:Blue, Red, OrangeFrequency:433:CR2032 Cell Battery (included) Specifications for Receiving host: Model:CTM368 Color:Black Modulation Mode:ASK (AM)RF Frequency:433 Working Chip:Learning Code Power Supply:DC 12V1A Transmission Distance:Up To a hundred Meters (in open area) Working Temperature:-20 ℃ to 55 ℃ Size:205X140X30mm Product list: Display host X10 Call button X100 Power adapter X10 Product specification X10

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