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Time Clock Accessories > Part #: 9T1WI
SKU #: ODXA1018

Pyramid 902-928MHz Wireless RF Transmitter

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Pyramid 902-928MHz Wireless RF Transmitter

The RF Transmitter sends a wireless RF synchronization signal every 20 seconds to an unlimited number of clocks, using the proven industry standard of frequency-hopping technology to broadcast between the 902MHz and 928MHz radio frequencies. This delivers a dependable wireless synchronized clock signal in any vertical market. It is ideally suited for standalone corporate/industrial buildings, healthcare locations, K-12 or university school systems, or facility renovation, retrofit design, and new construction applications. Since the clocks receive their radio time frequency from a Pyramid TimeTrax Sync Transmitter, they will stay on time virtually anywhere throughout your facility. With the central time source being captured from GPS, NTP and/or the facility’s internal network, it makes for a universal system almost anywhere. The Pyramid Wireless RF Transmitter can interface with a full line of Pyramid Time and Attendance payroll management systems. In addition, the transmitter can synchronize your networked servers, networked PCs, and most newer wired synchronized clock systems. Easy installation and no FCC license required.


  • 128 channel 902–928MHz frequency-hopping technology covers up to 250,000 square feet
  • Transmits wireless RF synchronization signal every 20 seconds to an unlimited number of Pyramid's Wireless Clocks
  • Can field interface with most newer clock and sound systems
  • Internal clock and LCD display for clear and accurate readout
  • Microprocessor based technology
  • 5” box top antenna – No external antenna required
  • Time source captured from GPS, NTP and/or internal Network
  • Can serve as an NTP time source
  • Sturdy steel case housing
  • Battery backup for maintenance-free use should power fail
  • PC System requirements: Windows XP, XP, Vista or Windows 7, 300 MHz Pentium Processor, 512 MB of RAM, 1GB, Explorer 5.0 or Higher, 4x or faster
  • Required Voltage: Universal 50/60Hz 100-240VAC with a UL Listed Power Supply
  • 3-year manufacturer’s limited warranty
  • Made in the USA


  • Overall: 4.5" H x 17" W x 10" D
  • Overall Product Weight: 7lbs

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Pyramid 902-928MHz Wireless RF Transmitter

Weights & Dimensions

  • Overall: 4.5" H x 17" W x 10" D
  • Overall Product Weight: 7lbs


Item: Time Clock AccessoriesCountry of Manufacture: United States

About the Manufacturer

For over four decades (est. 1969), Pyramid Time Systems (formerly Pyramid Technologies) has provided cost-conscious time keeping solutions for businesses of all sizes and from a variety of industries.

Pyramid 902-928MHz Wireless RF Transmitter

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902-928MHz Wireless RF Transmitter is also sometimes listed under the following manufacturer numbers: 9T1WI