XIRIUM PRO Transmitter TX Base Station, including NXPA-6-360-25, NXPA-WIFI, NKXPRO-DATA, NXUC-M-15. When RF congestion at a venue or event is at its worst, activate the exclusive XIRIUM PRO XROC feature and eliminate any opportunity for offending RF traffic to affect your wireless audio signal. Available for iPad and Android tablets, the user friendly XIRIUM PRO app provides enhanced setup functions and allows monitoring and control of XIRIUM PRO devices.