Chuango Wireless Mains Powered Signal Repeater for Home Security Alarm RT-101DescriptionSpecificationsShipping The RT 101 is a must for large premises, such as high rise buildings, extensive estates and production plants, where wireless alarm devices are used and signals need to be boosted. With secure encryption and decryption technology, the RT 101 effectively enhances wireless radio signals for longer transmission distances, keeping your detectors, sensors and remote controls in touch with the system all the time. Power: AC