This listing is for a new  open box GUARDIAN TELECOM 1880ECA1-50 which is a building entrance protector with a 50PR 110 connection, designed for use at various industrial and commercial facilities. Made by GUARDIAN TELECOM in Canada, this access control equipment provides security and monitoring for building entrances, ensuring that only authorized personnel can gain access. The product's reliable performance and strong construction make it an essential component of any facility maintenance and safety system.