Protempis Thunderbolt (Formerly Trimble Thunderbolt) GM200 Grandmaster Clock (PTP & NTP)

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Multi-Constellation, IEEE-1588 PTP Grandmaster Clock +- 15ns Time Accuracy

Variations of the Protempis Thunderbolt (Formerly Trimble Thunderbolt) GM200 Grandmaster Clock (PTP & NTP)


NOTE, This product does not include a power adaptor. Please add item 112383 to your order. 

The Protempis Thunderbolt® PTP Grandmaster Clock is designed for the telecom market, for use at the edge of wireless networks requiring phase synchronization. The GM200 provides continuous availability of UTC traceable time for phase synchronization, a must for LTE-Advanced networks and services.

The Thunderbolt PTP GM200 employs industry-leading Protempis GNSS performance, and world class holdover technology.

The PTP GM200 tolerates harsh environmental conditions, supporting both indoors & outdoors deployments with extended operating temperature range (-40 to +85 C).

Key Features

  • IEEE-1588 PTP Grandmaster Clock
    • Multiple PTP Profiles(G.8265.1, G.8275.1, G.8275.2,Telecom-2008 Profile, SMPTE – Broadcast Profile)
    • Supports 16 PTP unicast clients @ 128pkt/s
  • Multi-Constellation (GPS, GLONASS, Beidou & Galileo)
  • ±15ns (1-sigma) time accuracy relative to GNSS reference
  • Holdover of ±1.5us over 4hours (constant temperature and when locked to GPS for 7 days)
  • Inputs: GNSS, 1588-PTP and SyncE
  • Outputs: 1588-PTP, NTP, SyncE, PPS,and 10MHz
  • Dedicated management port (1xRJ45)
  • Network Management: SNMP, Web UI, CLI
  • VLAN support
  • IPv4 and IPv6


  • Low cost reduces CAPEX of LTE TDD, LTE-A & small cell projects
  • Extended environmental capabilities enable deployment in difficult locations where small cells and LTE-A base stations are deployed
  • Superior holdover performance via Trimble proprietary technology gives extra time error budget for network design and dimensioning
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