Doorking TTY Add-on External Kit | DKS-1830-315 DKS-1601-092 The 422 Operator is designed

The 422 Operator is designed and built to automate vehicular swing leaf gates

All-aluminum structure with high-resistance anodizing treatment

16 multi-reader access control panel

"Record and Play" allows the use of radios in close proximity to PA speakers without feedback

Doorking TTY Add-on External Kit | DKS-1830-315 DKS-1601-092 The 422 Operator is designedDoorking 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