Integrated GNSS Grandmaster (IGM) 1100

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Integrated GNSS Grandmaster

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Precise synchronization of indoor small cells requires a GPS timing source, especially for phase applications. In some scenarios, installing a GPS antenna on the roof of the building or enabling each small cell with GPS can be complicated and expensive. The Microchip IGM 1100i addresses this use case.

Resilience
Enhanced Clock Control and Advanced Thermal Control Algorithms are the keys to the High Performance that the IGM 1100i provides. Delivers PTP with APTS as a backup to GPS.
Powered Over Ethernet
The IGM 1100i simplifies and reduces installation costs using Microchip’s widest portfolio of PoE solutions from the inventors of PoE, making the solution plug-and-play.
Antenna Integrated
The IGM 1100i eliminates the L1 antennas coax cable cost associated with a typical deployment. The main connection is established through an Ethernet cable to the customer’s network.
Extension of BestTime
The equipment supports longer sampling windows over time, mitigating the timing error in difficult indoor environments, providing the best performance on this type of deployments.
  • Small form factor with single 1 GbE RJ45 port
  • PTP profiles: ITU-T G.8265.1, ITU-T G.8275.1 (L2 multicast), ITU-T G.8275.2 (L3 unicast), Telecom 2008, and Ethernet default
  • One-step and two-step clock
  • SyncE input, output
  • PTP input for GNSS back-up.
  • APTS and asymmetry compensation
  • IPv4 and IPv6 including PTP traffic and – OAM/Management.
  • Up to 32 clients
  • License control
  • 802.1Q VLANs
  • GNSS receiver with assisted GNSS support
  • GPS, Glonass (Global Orbiting Navigation Satellite System; Russia), Beidou-ready, SBAS; IGM Plus model, Galileo and QZSS
  • Time to First Fix (TTFF) of ten minutes to less than one hour until system lock
  • SC-cut oscillator for enhanced time keeping holdover.
  • Key Synchronization Requirements for eNodeB or dependency of GNSS timing.
  • Buildings with high cost for antenna installation and/or maintenance.

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