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Ritron has manufactured and currently manufacturers a line of wireless intercoms known as the Ritrom Jobcom Base Station. One such example in the series is the Ritron JBS-446D Jobcom Base Station/Wireless Intercom (UHF). Ritron has manufactured and currently manufacturers a line of wireless intercoms known as the Ritrom Jobcom Base Station or Ritron Jobcom Wireless Intercom. One such example in the series is the Ritron JBS-446D Jobcom Base Station/Wireless Intercom (UHF).