KN-MT Skylink Wireless Security Keypad for SkylinkNet Connected Home Alarm Security & Home Automation and M-Series. Arm and Disarm your Home Alarm System with a Security Code. Wirelessly arm and disarm your SkylinkNet or M-Series Alarm System with a security keypad and passcode. Arm away; Arm home; Disarm; Panic Wireless range up to 600 feet in open area (Sensor to HU-100 Internet Hub or M-1 Main Console/Indoor Siren)