A multi-GNSS module for timekeeping and timing synchronization that supports simultaneous reception of GPS and GLONASS.
The GT-87 is a multi-GNSS module for timekeeping and timing synchronization that achieves the world's highest level of satellite capture. It outputs a high-precision time pulse (1PPS) synchronized to UTC (Coordinated Universal Time) and a coherent clock (such as 10MHz) with the time pulse. With its multi-GNSS capability and high noise resilience, it excels in environments that have been considered harsh for standalone GPS, such as urban canyons.
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basic information
Receiving Satellite System: GPS, GLONASS, QZSS, SBAS Satellite Tracking Channels: 26 ch Update Rate: 1Hz Receiving Sensitivity: GPS Satellite Tracking -161 dBm 1PPS Accuracy: 15ns (1 σ) (@-130 dBm) Clock Output: 4KHz to 40MHz TTFF (Typical): - Hot Start: <5 seconds (@-130 dBm) - Warm Start: 35 seconds (@-130 dBm) - Cold Start: 40 seconds (@-130 dBm) Supply Voltage: DC 3.3V Current Consumption: 72mA during satellite acquisition Backup Power: - Voltage: DC 1.4 - 3.6 V - Current: 10 μA (Typ) Operating Temperature: -40℃ to +85℃ Package: - 24Pin LCC (Leadless Chip Carrier) - 12.2mm × 16.0mm × 2.8mm Protocol: eSIP (NMEA 0183 Ver4.10 compliant) Interface: UART, 1PPS, Clock Anti-jamming: Yes Multipath Resistance: Yes
Price range
P2
Delivery Time
Applications/Examples of results
- Seismometer - Mobile phone base station - Wireless base station - Facility clock - Aviation obstruction light - Time server - Arrow (arrow sign)
Detailed information
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GT-87 Evaluation Kit Model: VN-872 This is an evaluation kit for assessing the performance of the Multi-GNSS Timing Module GT-87. Features: • Operates on USB bus power • Serial transmission and reception (USB) • 1PPS output • GNSS antenna connection • External dimensions: (w) 110mm x (D) 112mm x (H) 30mm • Weight: approximately 260g • Accessories: USB cable, GNSS antenna, CD ROM (dedicated communication software, USB driver, documentation)
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Monitoring software This is monitoring software for Windows. You can view the satellite positioning status, time status, and more.
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Fullno contributes to safe and efficient navigation, sustainable resource management in fisheries, safe and secure healthcare, and the realization of a safe and comfortable society, leveraging core technologies in sensing, information processing, and information communication.
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