Carlsbad, Calif. Linear LLC has upgraded its standalone AK series of access entry keypads by adding new programming features. The new AK-11, AK-21W and AK-31 will replace the older AK-1, AK-2W and ...

Linear’s AE-100 is a versatile telephone entry system for smaller commercial applications. But its feature set is more advanced and comprehensive than systems three times its size. It has local ...