MY-B10  Hands free substation
1) New design,usually it  is  installed   in   each  bed head.
2) Intercom substation can call and  talk    with   the   coding
master  station
3) Intercom substation output  connected   with  call  button.
5) Can  output  for button of exigency alarm;
6) Hand  free and easily used;
7) Connected  the   master  by 4- wire bus cable