DKS Doorking 1835-147 Memory Only 3000 Numbers And Names

1835-147 Doorking DKS Memory Chip Only, 3000 Telephone Numbers And Names, 8000 Card Codes Older model DKS telephone entry systems used a variety of different memory chip sizes. If you are going to share the system database with an older unit with a unique memeory size, the memory chip size must match; otherwise the programming software will indicate a memory size mismatch and the data transfer will be cancelled. Select the memory ship required to match system memory size.