Nortek Security DXS-31
Nortek Security DXS-31 Supervised Universal Door/Window Transmitter, Includes Magnet for Internal Contact, Includes Mounting Shoe, External Contact Terminals, DXS Format, N/O or N/C Input Loop Circuit, Powered by two 2032 Batteries, 315 MHz RF Frequency
Discontinued, Call For Replacement
Nortek Security DXS-LRC
Nortek Security DXS-LRC Supervised Convertible Long Range Emergency Transmitter, Water Resistant, DXS Format, 2-Color Activation Indicator, Full RF Supervision, Field Enabled, Pendant has Adjustable Lanyard with Breakaway Release, 315 MHz RF Frequency
Discontinued, Call For Replacement
Nortek Security D-4B
Nortek Security D-4B 4-Channel, 4-Button Hanheld Transmitter, Four Test/Operate Switch, Test/Operate LED, Removable Wall Mounting Clip, 64 Selectable Codes, 303.875 MHz RF Frequency, Powered by one 9 Volt Battery (Included)
Discontinued, Call For Replacement
Nortek Security AK-21
Nortek Security AK-21 Digital Keyless Entry System, Keypad Programmable, 480 Entry Code Capacity, Two LED Indicator, Courtesy Lamp, Piezo Sounder, Tactile Key Feel, Keypad Lockout
Discontinued, Call For Replacement
Nortek Security AK-21W
Nortek Security AK-21W Exterior Digital Keypad, Self Contained Keyless Entry System, Single Gang Mount, Designed for Outdoor Applications, Up to 480 Programmable Codes, Two LED Indicators, Tactile and Audible Feedback
Discontinued, Call For Replacement