Main functions:

1 MY-GB4 substation,explosion-proof,hospital components1.

   Adopts the aluminum alloy board, and the voice is lively and clear.2. Flush-mount type, which is anti-dismantle and anti-damage3. The substation can alarm and call back the master station in the control room.4. Can connect handset type call button "AN+ Mike"  5. It is specially used in the prisons monitor room.