Input module for receiving messages using a potential-free closing contact (NO) from external devices, systems or systems for the purpose of integration and alarm triggering within an Ei Electronics radio system, power supply via permanently installed 6V lithium battery with a service life of at least 10 years, can be wired using a 2-wire control line, integrated radio transmitter, radio performance in accordance with EN300220-3, EMC behavior in accordance with EMC 301489-3, 5-year guarantee, 10-year service life
