GMk is another manufacturer in the Alarm Industry that has been designed and manufactured outside of Iran and assembled in Iran has a medium warranty that has recently been tightened but still out of reach. A bit behind its competitors, the brand sells its product in various panels at a frequency of 315 MHz to the Laring Code, which makes all of its accessories cheaper, has a special place amongst the installers, and has recently acquired a welfare card and Put your ad inside the device and you can score points by texting on the card According to the company participated in the monthly draw.