Coupling module for bidirectional connection of the Ei Electronics radio system to fire alarm, security or building automation systems, power supply 230V or 11V DC to 30V DC via external system, lithium battery, integrated. Radio transmitter/receiver, signaling of fire, carbon monoxide and faults, radio performance in accordance with EN300220-3, EMC behavior in accordance with EMC 301489-3, 5-year guarantee, 10-year service life
