The STA1095EOAS1 is a high-performance GNSS processor from STMicroelectronics, designed specifically for automotive navigation and fleet information services and advanced driver assistance systems (ADAS). This device features a reliable, automotive-grade design and provides accurate positioning using multiple satellites in complex urban environments or multi-route environments. It also stands out for its high signal processing capacity.
Technical specifications – STA1095EOAS1
Construction Basic GNSS processor for automotive use
GNSS support GPS, Galileo, GLONASS, Beidou, and QZSS
Bandwidth L1 and L2 (depending on configuration)
Location accuracy < 1 meter CEP (with correction service)
Tracking channels 80+ parallel channels
Update rate Maximum 10 Hz
Interface UART, SPI, I²C, CAN, USB
Additional functions GNSS assistant (A-GNSS), dead zone estimation support
Operating voltage 3.0 V – 3.6 V
Temperature range -40 °C to +85 °C (automotive standard)
Package Small LFBGA package, suitable for space-constrained designs
Certificates Compliant with AEC-Q100, suitable for automotive applications
Key features and benefits
- Multi-satellite GNSS – simultaneous tracking of GPS, Galileo, GLONASS, BeiDou, and QZSS to ensure maximum coverage and first fix speed.
- Automotive-specific reliability – AEC-Q100 certification ensures stable operation in harsh conditions.
- Dead zone estimation support – maintains location accuracy in tunnels or areas with weak satellite signals.
- Low power consumption – specially designed for onboard systems requiring low power consumption.
- High data throughput – supports multiple communication interfaces and can be easily integrated into in-vehicle entertainment or information systems.
Application areas
The STA1095EOAS1 is suitablefor automotive and industrial positioning systems, including:
- Vehicle navigation systems – provide accurate route planning for private and commercial vehicles.
- Fleet management and information services – real-time vehicle tracking, route optimization, and logistics management.
- Advanced driver assistance systems (ADAS) integration – support for lane-level accuracy to meet the requirements of driver assistance systems.
- Maritime and air navigation – reliable satellite tracking in dynamic environments.
- Asset tracking – high-precision GNSS suitable for industrial and supply chain applications.
Unique advantages of the STA1095EOAS1
Compared to common GNSS chips, the STA1095EOAS1 offers:
- Automotive-grade ruggedness to ensure long-term stable operation
- Multi-frequency and multi-satellite support for maximum accuracy
- Dead zone navigation for continuous navigation in areas with signal interference
Related products from DRex Electronics
At DRex Electronics, we offer a range of high-performance GNSS processors and automotive processors:
- STA1080ELA3 – integrated GNSS processor for use in embedded systems
- STA1095ELA3 – high-precision GNSS processor with enhanced safety features
- TDA3 series – integrated solutions for advanced vision and localization in ADAS systems
External sources
- STMicroelectronics GNSS product line – discover GNSS solutions for industrial and automotive applications
- Dead zone estimation principle in GNSS systems – technical overview of hybrid positioning technology.
Summary
The STA1095EOAS1 is a powerful and reliable GNSS processor, specially optimizedfor automotive navigation and vehicle information services, ensuringfast reception, high accuracy, and stable operation even in the most adverse conditions. Thanks to multiple satellite tracking, support for dead zone estimation, and AEC-Q100 certification, it is the ideal choice for original equipment manufacturers looking for state-of-the-art mobility solutions.




