About Us

Leader in Designing and Developing CMOS mmWave Radar Chips

Calterah boasts a most comprehensive product portfolio of mmWave radar chips in the industry, including 77/79 GHz and 60 GHz RF front-end, SoC, and SoC AiP products, enabling applications of corner radar, forward-looking radar, imaging radar, in-cabin radar, door radar, etc. in ADAS and autonomous driving, and applications of smart home, elderly care, security and surveillance, smart transport, security imaging, etc. in the industrial and consumer electronics fields.

Leading Innovator in UWB Chips for Communications and Sensing

Calterah has launched the world’s first IEEE 802.15.4ab-compliant ultra-wideband (UWB) SoC family, which combines centimeter-level high-precision ranging and positioning with radar sensing—ushering in a new era of UWB chip technology. Calterah UWB chips can empower diverse automotive and consumer applications, including digital car keys, in-cabin child presence detection (CPD), kick sensing, air mice, item finding, touchless interaction, etc., bringing intelligent user experiences to the next level with ultra-low power consumption.

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Global Sites

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Car OEMs Cooperating
with Calterah

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Car Models Enabled
by Calterah Chips

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Units of Accumulative
Automotive IC Shipments

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Patent Applications
Filed Worldwide

Transforming Intelligent Driving Assistance and Smart Life
with Calterah's Industry-Leading mmWave Radar SoCs and UWB SoCs

Automotive Applications

Calterah's automotive-grade radar SoCs enable ADAS radar, imaging radar, and emerging radar for all-scenario intelligent driving assistance

Industrial Applications

Calterah's industrial-grade radar SoCs enable accurate detection for indoor sensing, smart cities, and industrial automation, empowering smart life

Consumer Applications

Based on industry-leading technological standards Calterah's consumer-grade UWB SoC enables precise ranging and positioning for seamless connectivity and communications at your fingertips

Learn More About Calterah

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History and Milestones

2025

Mar

  • Calterah obtains the TISAX® Assessment Level 3 (AL3) label for its information security management system.

 

Apr

  • Calterah is granted the TMMi Level 4 certification, scoring “Fully Achieved” in all process areas of software testing.

 

Jun

  • Calterah Day 2025 | Calterah launches the Andes premium 8T8R imaging radar solution,  Alps-Pro RoP® ADAS radar solution, Lancang-USRR CPD radar solution, and Dubhethe world’s first UWB SoC family compliant with the upcoming IEEE 802.15.4ab standard.
  • Calterah becomes one of the very few UWB chip companies globally and the first in China to have achieved the FiRa® core 3.0 certification.
  • Calterah’s accumulated mmWave radar IC shipments hit 20,000,000 units.

 

Jul

  • Calterah officially opens its Munich office in Germany with a local team on site, expediting localization in Europe.

 

Sep

  • Calterah presents pioneering innovations at European Microwave Week (EuMW) 2025 with 3 accepted papers.
  • Calterah releases White Paper on Multi-Millisecond (MMS) UWB Operation in IEEE 802.15.4ab.

 

Oct

  • Calterah exhibits at the 56th Korea Electronics Show (KES) in Seoul, with the Dubhe UWB SoC family winning the 2025 KES Innovation Award in Electronic Parts & Materials.

 

Nov

  • Calterah Dubhe UWB SoCs win the China Chip Award for Outstanding Product of Technological Innovation.

 

Dec

  • Calterah’s BLE-Assisted MMS UWB ranging solution received the ICCE Industry Innovation Practice Award (for Digital Car Keys).

2024

Mar

  • Calterah wins the IC Industry Technological Innovation Award for Industrialization Achievements.
  • Calterah is honored with the China IC Design Award by AspenCore.

 

Apr

  • Calterah is named in the list of Key Unicorn (Potential) Enterprises in Shanghai. 

 

Jun

  • Calterah Day 2024 | Calterah launches the imaging radar solution powered by Andes Flex-Cascading® technology, the Kunlun-USRR and Lancang-USRR SoC families, and the Radiator on Package (RoP®) technology.

 

Sep

  • Calterah’s accumulated mmWave radar IC shipments hit 10,000,000 units.

 

Oct

  • Calterah is recognized as a Shanghai Enterprise Technology Center. 

 

Nov

  • Calterah’s cybersecurity-based software of radar chips wins the Gasgoo Award for Best Technical Practice.
  • Calterah Kunlun-USRR mmWave radar SoCs claim the Lingxuan Award for Excellent Forward-Looking ICs. 
  • Calterah is honored with the ESG Practice Pioneer Award of Dun & Bradstreet.
  • Calterah’s German subsidiary starts operation officially in Munich.

 

Dec

  • Calterah CEO and Founder Dr. Jiashu Chen is nominated for “Entrepreneur of the Year in IC Design Industry” in China.

2023

Jun

  • Calterah attains the ISO/SAE 21434 Automotive Cybersecurity Management Certification, being a pioneer amongst China’s fabless companies.

 

Jul

  • Calterah is honored as a Leading Enterprise in mmWave Radar Chips in China.
  • Calterah Alps mmWave radar SoCs receive the Most Influential Auto Chip Award at the China Automotive Chip Conference.

 

Sep

  • Calterah Alps mmWave radar SoCs win the China Chip Award for Outstanding Product of Technological Innovation.

 

Oct

  • Calterah earns the Gasgoo Award as one of the Top 100 Players of China's New Automotive Supply Chain for the Alps-Pro mmWave radar SoC.

 

Nov

  • Calterah Alps-Pro mmWave radar SoC claims the Lingxuan Award for Excellent Forward-Looking ICs.
  • Calterah achieves the ASPICE CL2 Certification for Alps-Pro AUTOSAR software project.
  • Calterah is granted IS0/IEC 27001 Certification for Information Security Management System.

 

Dec

  • Calterah is honored as a national-level Specialized, High-End, and Innovation-Driven Little Giant Enterprise.
  • Calterah’s cumulative IC shipments exceed 7,000,000 units.

2022

Jun

  • Calterah Rhine AiP SoC-enabled sensors are applied to hospitals and nursing homes.

 

Sep

  • Calterah ATE clean lab—J Lab starts operation.

 

Dec

  • Calterah Day 2022 | Calterah unveils new mmWave radar SoC families—Alps-Pro and Andes.
  • Calterah Andes radar SoCs are honored with the Lingxuan Award for Excellent Forward-Looking ICs.
  • Calterah Rhine AiP SoC-enabled smart air conditioners are certified by JET and sold in Japan.
  • Calterah's cumulative automotive IC shipments had hit 3,500,000 units.

2021

Apr

  • Calterah receives the Fastest-Growing Enterprise Award of the automotive electronics industry.

 

Jun

  • Calterah is named in CB Insights’ China List of Smart & New-Energy Auto Innovation.
  • Calterah is awarded as a Patent Work Pilot Enterprise of Shanghai Municipality.

 

Jul

  • Calterah is named in EE Times’ 2021 List of Silicon 100.

 

Aug

  • Calterah Alps radar sensor SoCs obtain China's first ISO 26262 full compliance certificate.

 

Sep

  • Calterah’s accumulated mmWave radar IC shipments hit 1,000,000 units.

 

Oct

  • Calterah launches the Alps-Mini and Rhine-Mini families of mmWave radar chips.
  • Calterah enables the world’s first CMOS mmWave security scanner.

 

Dec

  • Calterah is honored with 2021 CAPIA Best Case Nomination for Mass-Produced ICs.

2020

Mar

  • Calterah achieves the ISO 26262 Functional Safety Management Certification, supporting up to ASIL-D chip development.

 

Apr

  • Calterah officially mass-produces the 2nd generation of 77 GHz CMOS mmWave radar sensor chips, the Alps family, and 60 GHz CMOS mmWave radar sensor chips, the Rhine family.

 

May

  • Calterah is honored with Shanghai Intellectual Property Innovation Award (Utility Model Patent).

 

Jul

  • Calterah is named in EE Times’ 2020 List of Silicon 100.

2019

Mar

  • Calterah launches its second-generation CMOS mmWave radar chip products, the 77 GHz Alps and 60 GHz Rhine SoC families, including Antenna-in-Package (AiP) SoCs.

 

Jul

  • Calterah wins 21st CllF Technology and Innovation Award.

 

Dec

  • Calterah achieves IPR Management Certification.

2018

May

  • Calterah officially mass-produces the world's 1st 60 GHz CMOS mmWave industrial radar sensor chip, the Yellowstone.

 

Oct

  • The world’s first vehicle model with Calterah 77 GHz CMOS mmWave ICs is mass-produced.

 

Dec

  • Calterah is accredited as “High-and-New-Technology Enterprise (HNTE)”.

2017

Oct

  • Calterah officially mass-produces the world's 1st 77 GHz CMOS mmWave automotive radar sensor chips, the Yosemite family.

2015

Jul

  • Calterah tapes out the 1st generation of fully integrated 77 GHz single-chip CMOS radar transceiver.

2014

Feb

  • Calterah Semiconductor Technology (Shanghai) Co., Ltd, is established.

2025

2024

2023

2022

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2020

2019

2018

2017

2015

2014

"CAL" comes from the University of California, Berkeley (UC Berkeley) in honor of the alma mater of Calterah's founder Dr. Jiashu Chen.

Forward-Looking Radar

(Long-Range Radar)

Front Corner Radar

(Medium-/Short-Range Radar)

The symbol consists of six fan-shaped parts in three colors which represent radar radiation and form a vehicle outline. It symbolizes the all-weather protection by mmWave radar.

Rear Corner Radar

(Medium-/Short-Range Radar)

Rear Radar

(Long-Range Radar)

"TERAH" comes from "terahertz", a high-frequency unit for radar. As a symbol of Calterah's product focus, it also signifies our dedication to advancing high-frequency radar chip technologies.

"CAL" comes from the University of California, Berkeley in honor of the alma mater of Calterah's founder Dr. Jiashu Chen.

Forward-Looking Radar

(Long-Range Radar)

Front Corner Radar

(Medium-/Short-Range Radar)

The symbol consists of six fan-shaped parts in three colors which represent radar radiation and form a vehicle outline. It symbolizes the all-weather protection by mmWave radar.

Rear Corner Radar

(Medium-/Short-Range Radar)

Rear Radar

(Long-Range Radar)

"TERAH" comes from "terahertz", a high-frequency unit for radar. As a symbol of Calterah's product focus, it also signifies our dedication to advancing high-frequency radar chip technologies.

Contact Us

Contact us for Calterah products, solutions, consultancy, and cooperation

Asia Pacific (APAC)

Shanghai (Headquarters)

Calterah Semiconductor Technology (Shanghai) Co., Ltd.

Address: Room 702 Building E, 666 Shengxia Road, Free Trade Zone, Shanghai, China

Shenzhen

Calterah Semiconductor Technology (Shenzhen) Co., Ltd.

Address: Room 1809, Jinqizhigu Building, Nanshan District, Shenzhen, China

Hangzhou

Calterah Semiconductor Technology (Hangzhou) Co., Ltd.

Address: Floor 8, Building 2, 6 Lianhui Street, Binjiang District, Hangzhou, Zhejiang, China

Suzhou

Calterah Semiconductor Technology (Suzhou) Co., Ltd.

Address: A2201-4-4, Block 4, Suzhou International Science Park, 1355 Jinjihu Avenue, Wuzhong District, Suzhou, Jiangsu, China

Beijing

Calterah Semiconductor Technology (Beijing) Co., Ltd.

Address: Room 1501, Tower A, POSCO Center, Building 13, Zone 4, Wangjing East Park, Chaoyang District, Beijing, China

Hong Kong

Calterah Semiconductor Technology (Hong Kong) Co., Ltd.

Europe, the Middle East and Africa (EMEA)

Munich

Calterah Semiconductor Technology (Germany) GmbH

Address: Hollerithstr. 5a, 81829 Munich, Germany

Contact Us

  • Asia Pacific (APAC)
  • Europe, the Middle East and Africa (EMEA)
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