In communication, this intercom uses the standard SIP protocol, so that compatibility with third-party products is guaranteed.  It is resistant to external influences and boasts the highest coverage class pursuant to the IPX standard.  The high-powered 10W speaker, 2 integrated microphones and intelligent echo suppression guarantee high-quality and comprehensible two-way communication even in noisy environments, such as industrial operations or transport infrastructure. Communication is initiated by pushing one of its freely programmable buttons, which are visibly illuminated in blue.