Furuno GT-100 Dual Band L1/L5 Timing Receiver Module

A next-generation GNSS receiver module for time synchronization, compatible with all global GNSS systems. GT-100, which supports dual-frequency reception on L1 and L5 bands, is designed for exceptional robustness. It achieves timing stability under 4.5 ns (1σ). Equipped with NTT’s anti-multipath algorithm, “Dynamic Satellite Selection™” to minimize timing degradation even when GNSS antennas are placed near windows or in urban environments.

• Supports major global GNSS constellations (L1, L5)

  The GT-100 supports GPS, GLONASS, Galileo, BeiDou, QZSS and SBAS systems worldwide.
  Users can select specific satellite constellations or utilise all constellations simultaneously, making the GT-100 ideal for globally deployed applications such as 5G mobile base stations, as well as for robust infrastructure needs in broadcasting, power, and finance. It supports dual band reception, with L5 band less affected by ionospheric delay.

• Deliver clock outputs and 1PPS synchronized with UTC

  The GT-100 delivers high-resolution, UTC-synchronized 1PPS timing signals.
  It also supports clock outputs, with three configurable outputs assignable to 1PPS or clock signals.
  It directly generates essential frequencies such as 10 MHz, 2.048 MHz, 19.2 MHz, and 30.72 MHz, commonly used in wireless communications.
  This flexibility helps shorten time-to-market and enhances your product’s competitiveness.

• The world’s highest level of stability of less than 4.5ns (1σ) under open sky

  In addition to improvements in carrier smoothing and optimization of positioning calculations between satellites, the receiver incorporates an industry-leading time estimation algorithm for GNSS time synchronization, achieving world-class time stability.

• Compliant with G.8272 PRTC-A and PRTC-B

  Compliant with TDEV (Time Deviation) /MTIE (Max Time Interval Error).

  Exceeds the most stringent requirements in 5G networks.

  

  Timing performance when operating GT-100 using only L1 band

   

• High robustness with dual-band reception on L1 and L5

  By receiving dual-band, GT-100 is equipped with a function that allows operation using only the L5 band when L1 is jammed, and only the L1 band when L5 is jammed, providing high robustness against jamming.
  Even when receiving only L1 or only L5 signals, it achieves a time stability of less than 4.5 ns (1σ).View Furuno’s white paper about Dual Band GNSS Receivers: Safeguarding Critical Infrastructure

• World’s lowest accuracy degradation in harsh urban multipath environments

  GNSS timing receivers are increasingly being used in urban environments.
  With the technology, “Dynamic Satellite Selection™*”, which intelligently selects high-quality satellite signals, timing performance degradation is minimized even in urban areas where multipath signals are present.
  This ensures reliable operation even when installed at base stations in cities.* Multipath resistance technology based on an algorithm developed by NTT

  

  Timing performance when operating GT-100 using only L1 band