MK Series Specifications Updated on May 26th, 2026 This station is discontinued and may no longer be supported. These instructions are provided to assist with operation and maintenance, and to guide upgrade paths. Specifications for the MK-DGV, MKS-1GD, MKS-1GDV, MKS-1GDVF.DownloadDownload MK-1GD, MK-1HD Instructions MK-1SD/B MK-2MCD Instructions + Troubleshooting Chart MK-2SD Instructions MK-D & JA-D Instructions MKS-1EYC/B MK Series Door Station Instructions MK Series Kit & Answering Station Instructions MK Series Specifications MKW-M Instructions