Frequency Electronics, Inc. FEI-Zyfer, Inc. FEI-Zyfer, Inc.
GPS Time and Frequency Systems
UNISync 5G Carrier Network Synchronization
FEI, with a 45-year legacy in precision oscillator technologies and more than 20 years of experience designing and
manufacturing SSU’s for major international carriers, has created an SSU (Synchronization Supply Unit) of unprecedented reliability, durability, survivability, adaptability, and cost efficiency.

  UNISync 5G-A
  • ETSI, 19" & 23" racks main and
    expansion shelves
  • Telcordia GR-378 & GR-1244 certified
  • ITU-T G.812 type I, II, III
  • Full redundant architecture
    (clock bypass option)
  • Quartz & Rubidium high performance oscillators
  • NEBS level III certified


UNISync 5G-M
  • "Smart" Synchronization Supply Units (SSU)
  • Optimized for mid-range networks
  • Available Interfaces sized to meet network operator needs without limitation on the performance, capability and reliability of the solution.
  • ITU-T G.811 (GPS required), G.812 type I, II, II
  • Telcordia GR 2830 (GPS required),
    GR-378 & GR-1244
  • Input interfaces : 1 x GPS (through antenna converter), 2 x CC, DS1, E1, 2048 kHz, 1-5-10 MHz (optional modules), Timing reference or performance monitoring
  • GPS Antenna converter: Down frequency converter for remote antenna
    installation (+/- 300 m)




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