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• ✨Description: Thanks for visiting our wireless calling system-call buttons-transmitter webpage Now our wireless calling systems are widely used in instant meals restaurant, meals court, clinic, church, hospitals, spa & salons and auto store or different queue events They are welcomed and popular ✨Advantages: Save labour charge Improve provider image Most important, upgrade performance ✨How to apply the wi-fi 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) will get signal with vibration or sound, displaying the table number, then the waiter will know which desk to be served Specifications for Call Button: Model:CTT13 Color:Red or Black Modulation Mode:ASK (AM)RF Frequency:433 Working Chip:Learning Code Power Supply:CR2032 Cell Battery (included) Transmission Distance:Up To 100 Meters (in open area) Working Temperature:-20 ℃ to fifty five ℃ Size:60 x 60 x 12mm / 2 x 2 x 0 in Weight:21g 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 fifty five ℃ Size:205X140X30mm

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