Can I link more than one push button to the same doorbell?

Yes for Honeywell wireless doorbells. They allow up to 6 wireless push buttons to be connected depending on the model. Please refer to the table below:

Series 3 (DC311xx and DCR311xx) 2 wireless push buttons
Series 3 (DC313/5xx and DCR313/5xx) 4 wireless push buttons
Series 5 (DC515xx) 4 wireless push buttons
Series 9 (DC915xx and DC917xx) 6 wireless push buttons

Honeywell offers kits in this type of configuration with two push buttons and a doorbell. Please refer to the products available in your country.

Yes for Honeywell wired doorbells. They allow up to 2 wired push buttons and 5 wireless push buttons depending on the model. Please refer to the table below:

Series 3 wired (DW31xxx) 2 wired push buttons
Series 9 wired (DW915xx) 2 wired push buttons and 5 wireless push buttons