Doorking 1812 Classic Surface Mount Telephone Entry System | DKS-1812-081 liftmaster Q068 Readers also have an RS485

Readers also have an RS485 port allowing two-way data transfer for reading/write applications

New Part Number: FMSW_MG (Old Part Number/s: FMSW-MG1143 / FMSW-MG914)

This kit ensures safe

Resistive Termination: 10K ohm across NO contact (jumper selectable)

providing longevity and security for your access control system

Doorking 1812 Classic Surface Mount Telephone Entry System | DKS-1812-081 liftmaster Q068 Readers also have an RS485Doorking 1812 Classic Surface Mount Telephone Entry System DKS 1812 081 The model 1812 is a unique telephone intercom system that allows homeowners to use their telephone as an intercom to speak to a guest at a front door or gate without the necessity to pay for an additional telephone line at their home. With its "intercom mode" programming feature, 1812 can also be connected to a PBX or KSU type system, making it ideal for small businesses to