About Calterah Semiconductor
Calterah designs radar chips that work at millimeter wave frequencies, mainly for automotive driver assistance and also for industrial sensing. Its products include transceivers, systems on chip that add a processor, and antenna in package designs that place the antenna inside the chip package. Calterah builds these radar chips in standard CMOS silicon, a mainstream chip process. The company is based in Shanghai, was founded in 2014, and lists its legal name as Calterah Semiconductor Technology (Shanghai) Co. Ltd.
Calterah Semiconductor was founded in 2014 and is based in Shanghai, China. It is listed under ASICs, AI Accelerators. Reported funding is Series D over 10B yen (Dec 22, 2025).
Compute Technologies
- ASICs
- AI Accelerators
What Calterah Semiconductor works on
ASICs
An ASIC, or application-specific integrated circuit, is a chip designed to do one job or a narrow set of jobs. Its circuits are fixed when the chip is made. A CPU can run any program; an ASIC does what it was designed for and nothing else.
AI Accelerators
An AI accelerator is a chip, or a part of a chip, designed to run machine learning faster or with less energy than a general-purpose processor. The category includes GPUs, TPUs, neural processing units (NPUs) and chips from many startups.
