ClassicSync Compatible Available for ClassicSync

5-Watt and 30-Watt Transmitters

XR Series transmitters from Primex Wireless deliver the latest technology in time synchronization. Leveraging the precision of GPS satellite or Network Time Protocol (NTP) time, XR Series Transmitters wirelessly synchronize time for analog and digital clocks, timers and other time receivers throughout a facility.

Discontinued; While Supplies Last

Questions? Call 262-729-4858 to speak with a Primex representative.

Synchronize Across Campus

By taking advantage of the most effective wireless 72MHz frequency, XR Series Transmitters efficiently send time synchronization signals through commercial building materials to ensure all devices receive important time updates, even for daylight Saving time and after a power outage. XR Series Transmitters can be configured with a variety of power output levels to provide coverage for a single building or an entire campus.

  • Utilizes highly effective 72MHz frequency
  • System diagnostics are viewable on transmitter display
  • Optional Ethernet port for incorporating NTP Time Source
  • Internal memory backup of 8 hours


  • Enclosure Dimensions: 22”W x 17”H x 22”D (55.88cm x 43.18cm 55.88cm)
  • Approx. Weight: 55 lbs. (24.9kg)
  • Power Supply Requirements: 120 VAC, 50/60 Hz, 6.0A Max
  • Oversized heat sink provides adequate cooling
  • Amplifier Output Bandwidth: >20 MHz maximum
  • Connector at Antenna: N-male
  • 100’ (30.48cm) of cabling between transmitter and antenna

Part Numbers

Part Number Power Antenna Type
XR05EM 5 watt External roof
XR30EM 30 watt External roof