Smart GNSS Antenna for High Accuracy 5G Timing

Tallymatics announced the TW5382 Smart GNSS Antenna for High-Accuracy 5G Timing. The TW5382 is a multi-band, multi-constellation 5G smart GNSS antenna/receiver that provides 5 ns (1-sigma, clear sky view) timing accuracy. The TW5382 consists of two industry-leading components: a Tallysman GNSS Accutenna technology antenna and a professional-grade GNSS timing receiver module.

The Accutenna technology supports the full bandwidth of the TW5382 receiver, strong multipath mitigation and deep filtering, in a compact IP69K enclosure. These features enable the antenna to provide a strong, pure, in-band, right-hand circular polarized signal to the receiver.

The TW5382’s professional-grade multi-constellation and multi-signal timing receiver tracks GPS/QZSS (L1/L2), GLONASS (G1/G2), Galileo (E1/E5b), and BeiDou (B1/B2) signals.  Dual-frequency GNSS enables the receiver to minimize ionospheric delay and enhances multipath mitigation. Other key features of the GNSS receiver include support for anti-jamming and anti-spoofing, Timing-Receiver Autonomous Integrity Monitoring (T-RAIM), and GNSS augmentation systems: WAAS (USA), EGNOS (Europe), MSAS (Japan), and GAGAN (India), all of which provide orbit and clock corrections, a well as health and integrity information.  

Multi-constellation tracking enables the GNSS receiver to report the Coordinated Universal Time (UTC) estimated by each constellation. The receiver can be configured to output either the GPS, GLONASS, Galileo, or BeiDou realization of UTC. The timing pulse can also be configured to suit the user’s requirements.

The TW5382 supports an RS-485 communication interface, which enables the receiver to be configured and monitored.

Lastly, combining the GNSS antenna and receiver in a single package ensures that each smart antenna will produce precisely the same timing signal, as each smart antenna cable delay will be virtually identical. Only the user’s time pulse cable length (smart antenna to user equipment) will have to be considered, which simplifies the operator’s installation.

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