*Memery chip not included in with replacement boards.
DKS1833-010 Telephone Entry Control boards can be used to replace damaged or
defective DKS1833-010 Control boards inside the DKS1833-080,
DKS1833-081, DKS1833-084 & DKS1833-085 Telephone Entry Systems
All DKS1838-010 Replacement Control Mother Boards come factory tested in
original factory DKS box.