AHKD /AHKDU ALARM ANNUNCIATORS
- surface mounting AHKD alarm centre,
  16-48 contact input channels
- panel mounting AHKDU alarm centre,
  16-112 contact input channels
- user programmable operations
- LP model with printer interface
- MP model with GSM modem and SMS
  information

THK-16 ALARM ANNUNCIATOR
- surface mounting, 16 contact input
  channels
- text message display for alarm information
- MS model with GSM modem for
  bidirectional SMS information