Calterah Proposed New Ultra-Wideband Sensing Platforms
The company introduced a multi-static radar network at InCabin Europe to simplify vehicle sensor integration.
Updated on Sept. 28, 2026 in Semiconductors
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Calterah Semiconductor has unveiled a new ultra-wideband digital key system designed to function as a synchronized in-cabin sensor network. This technology utilizes the IEEE 802.15.4ab standard to enable multi-static radar capabilities for automotive safety and monitoring.
Why it matters
Carmakers are looking to reduce manufacturing costs and electrical complexity by consolidating multiple sensor functions into a single platform. Multi-static networks address geometry limits and signal leakage common in single-anchor radar setups.
The Dubhe UWB platform utilizes a 2T4R transceiver setup for anchor nodes, while smartphones and key fobs are designed with a 1T4R configuration. The system enables frequency stitching across channels 9 and 10 via the IEEE 802.15.4ab protocol.
The players
Calterah Semiconductor
A Shanghai-based company founded in 2014 that specializes in millimeter-wave radar and ultra-wideband chips for the automotive industry.
Euro NCAP
A voluntary vehicle safety rating organization that sets standards for child presence detection and other automotive safety systems.
The details
By placing synchronized transceivers in rearview mirrors, overhead consoles, and rear pillars, the system uses a time-slotted media access control layer to manage ranging and sensing operations simultaneously. This approach allows vehicles to meet future safety requirements, including mandatory child presence detection, through integrated software and hardware configurations.
Timeline
Calterah Semiconductor was founded in Shanghai in 2014.
The company presented the technology at InCabin Europe 2026 last week.
Euro NCAP standards will require improved child presence detection by 2026.
The Tech Race
This development marks a shift toward unified sensor networks, replacing traditional single-purpose units that complicate automotive electrical systems. By adhering to the Euro NCAP 2026 child presence detection standards, Calterah positions its multi-static radar network as a critical utility for modern vehicle architectures.
Drivers and passengers will benefit from enhanced vehicle safety and monitoring features that can be updated through software rather than hardware replacements. This standardization may eventually lower long-term vehicle maintenance and diagnostic costs for car owners.
The takeaway
The move toward multi-static radar networks demonstrates a broader trend of integrating software-defined sensing into standard vehicle frames. Drivers can expect future vehicles to feature more versatile safety systems that adapt to new regulations through digital updates.
Further reading
Learn more about the latest innovations in Semiconductors.
Source note: This article includes information reported by EE Times.
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