Answer:
The K-3LSiren pairs with up to 30 Sewa 433.92 MHz AM wireless devices, including wall-mount panic buttons and emergency washroom pull-cord units; if paired call buttons require standalone batteries (they are not included). It also supports optional RF signal repeaters.
Operating on 433.92 MHz AM radio frequency, the Sewa K-3LSiren acts as a centralized receiver compatible with standard Sewa panic alarm transmitters:
- Call Buttons: Compatible with Sewa 2-key and multi-key wireless panic buttons used in desks, guard rooms, gyms, and corporate offices. If peripheral wireless push buttons utilize internal batteries (they are not included).
- Emergency Pull Cords: Compatible with wireless pull-cord transmitters engineered for accessible/disabled washrooms.
- Signal Boosters: Fully compatible with optional Sewa RF range extenders/boosters to bridge long distances across multi-floor concrete infrastructure.
- System Capacity: Supports direct pairing of up to 30 distinct transmitters per siren unit.