Spec Sheet Preview: The Alpha Communications® / S.T.R.™ BRA digital dial controller boards are used with our BRK16 16- station relay card(s), DB1 series LCD display(s), and EMDB1 (or EMVDB1) series keypad module(s) to provide digital dialing capabilities to a variety of intercom or video-intercom systems. Up to 239 apartment intercom and/or video-intercom stations can be signaled by using the BRA in conjunction with up to 15 BRK16 units. Each BRK16 used with the BRA controller provides up to 16 t …