HID GuardRFID®Active Tags: RTLS for monitoringand protecting healthcare staff and patients Active RFID: 433 MHz Radio Frequency GuardRFID is a leading provider of real-time location services (RTLS) hardware and software solutions in the healthcarespace. GuardRFID’s suite of active RFID tags, readers, exciters and software support four primary use cases important to With hundreds of system installations in the healthcare industry, GuardRFID delivers a robust multi-purpose real-timelocation platform with superior flexibility and scalability.