In this modern era, every human activity is closely related to telecommunications tools and devices. There are various types and brands of Telecommunications Device in Indonesia that have been marketed. However, many of these devices have not been certified and are therefore illegal to be used by the public. Also Read : Reference in Carrying out Testing of Telecommunications Tools or Devices Continuing to market and use the device publicly will have an impact on the surrounding network. According to Ismail, Spectrum uses radio frequency, which is not an appropriate allotment, and telecommunication devices that are not certified can be

Read More