Nút nhấn gọi bằng giọng nói AIPHONE LE-A3 –       3 call audio interior sub station for use with the LEF/LAF master stations. Designed to allow user to call any of 3 master stations selectively. –       Máy con giao tiếp với máy chủ LEF3.E, LEF5.E hay LEF10.E. –       Gồm 3 nút CALL. Features –       Selectively call up to 3 masters (or groups of masters). –       Hands free communication when master […]