Answer:
The Sewa K-500 Plus receiver can pair and operate with up to 500 individual 1-key and multi-key wireless transmitter buttons.
The Sewa K-500 Plus wrist watch receiver (SKU: KTI04012001SWW) supports pairing capacity for up to 500 individual 1-key and multi-key wireless call buttons across the Sewa calling system.
This large 500-device pairing limit allows the receiver to manage notifications across extensive, multi-station installations, including large-scale restaurants, hospitality venues, commercial office facilities, and multi-bed healthcare wards without requiring separate receiver zones for mobile staff.
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