DLM-256 keyboard module for display call EB i2Audio stainless steel matt MODESTA. 12-key keyboard module for connection to display call function module for installation in pillars or suitable for corresponding AP or UP flush-mounted frames. Complete device consisting of flush-mounted housing, 2 mm thick front panel made of matt brushed stainless steel with flush-mounted keyboard, data output with cable for connecting to the display call module (DCM-256) and data input for connecting key expanders (implementation of direct call buttons).