Thank you for your question on the model NDB300N intercom door station. I’m sorry, but this door station would not be compatible with the IMA4406. The recessed door stations, with chime push button, that are compatible with the IMA4406 are the IS67 or IS69. These are no longer made but you may be able to do an internet search and find distributors that would still have them in stock.
Date published: 2013-10-23