References

• 

  [Seoul Metropolitan Rapid Transit Corp.]

  Implementation of LTE based PTT(Push-to-Talk) radio communication system

• 

  [Busan Metro line 1]

  Implementation of LTE-R based PTT(Push-to-Talk) railway radio communication system

• 

  [Korea Air Force]

  Implementation of radio network system for sending/receiving information, LTE-TDD based

• 

  [Korea Railroad Research Institute]

  Implementation of IP-PBX/PTT Server/Conference Server, Development of LTE hand-held device

• 

  [Korea Navy]

  Implementation of Wibro based IP-PTT(Push-to-Talk) solution

• 

  [Ministry of Public Administration and Security(KOREA)]

  Implementation of Server and technical verification for public safty

• 

  [Korea Air Force]

  Implementation of information-communicatoin system via WiBro 1.7GHz technology