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GNSS Module

The term GNSS (Global Navigation Satellite System) now encompasses a variety of satellite systems, not only GPS but also GLONASS, QZSS, SBAS, Galileo and BeiDou. Combining several systems not only helps improve precision, it also significantly reduces the TTFF (Time to First Fix) – the more satellites a device can connect with, the faster its exact position can be determined.

Positioning has become a ubiquitous feature in connected devices; accuracy and miniaturization are critical parameters. The new GNSS Module MSB1054 from Fujitsu delivers extremely accurate positioning in a very small form factor, combined with ultra-low power consumption and optimized for short cold start. Additionally, it is equipped with a special algorithm for arm swing compensation, making it an ideal component for smart watches.

GNSS module closup

Features of the MSB1054 SiP LGA module, with metal coating:

Dimensions 5.8 x 6.2 x 1.0 mm
Supported Satellites GPS, GLONASS, QZSS, SBAS, BeiDou, Galileo
Rx Power min. -161dBm
Vdd 1.8V and 0.7V or single 1.8V
Power Consumption Continuous mode (Tracking) 13.2mA(Typ.) 1.8V 8ch tracking
Power Consumption Low-power mode (Tracking) 3.4mA(Average) e.g. Period 60s
Operating Temperature Range -15°C to +80°C
Host interfaces UART / I2C
Flash Built-in for firmware and logging
Antenna Optimized for 50 Ω passive antenna
Other components Filter, LNA, TCXO

GNSS module GNSS module schematic




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