Legato is the manufacturer of Linux DVR, SMS GSM Alarm Messenger and SMS GSM Data Acquisition Device in Hong Kong.We have a team of engineers and programmers in R&D of DVR & SMS Alarm Device on Linux Platform. SMS GSM Data Acquisition Device sends SMS text and data message to mobile phone on capturing data via 2 AD channels. Since established on 1989, we have successfully implemented our system and devices into multinational corporation or facilities e.g. Power Plant, Banking Corporations and Governments.