Doorking TTY Add-on External Kit | DKS-1830-315 ah110 LiftMaster Q392

LiftMaster Q392

Input Power - 12VAC/12VDC

Linear Torque Lim 5 1-1/8B Complete

Security Brands Faceplate - Edge E2

0 – 433-MHz Keypad – Post Mount | SEC-14-500T

Doorking TTY Add-on External Kit | DKS-1830-315 ah110 LiftMaster Q392Doorking TTY Add on External Kit DKS 1830 315 This TTY (Talk To You) telecommunication device for the deaf allows people who are deaf, hard of hearing, or speech impaired to use the 1830 series telephone entry system. The user is required to have a TTY communication device to plug into the 1830s TTY device in order to communicate. This device can be wired to an existing 1830 system which has already been installed (Add On) or installed during a new