• EMC/EMS Evaluation Platform and Solution Provider

About Us > Our Story

Amber Precision Instruments is a research-oriented EMC solution provider and EMC scanner manufacturer.

Global EMC solution & EMC scanner manufacturer:

API is a research oriented EMC solution provider and EMC scanner manufacturer, headquartered in San Jose, CA, USA. We started 2006, and quickly rose to the best EMC scanner manufacturer with our technologies. Close cooperation with MST (Missouri University of Science and Technology. Prof. David Pommerenke is a co-founder of API) enables API to be a leading EMC technology provider in addition to the best EMC scanner manufacturer.


Amber Precision Instruments is the IC, module and system level EMC/EMS evaluation tool manufacturer and solution provider equipped with unique combination of IC level and system level expertise. We develop and manufacturer most components and accessories in-house (probes, software, mechanical parts, etc.) to ensure performance as well as quality. Combining advantages of measurement and simulation to better understand EMC behavior of electronics is our ultimate goal.


• Feburary, 2006

• September, 2006

• May, 2008

• April, 2011

• October, 2012

• May 2015

• September 2015

• January 2016

Foundation of API (CA Corp.)

1st ESD scanner sale (Samsung SDI in Korea)

1st scanner shipping in US (lease to GD in FL)

1st sale in US (Apple)

1st sale in China (Huawei)

Shielding Effectiveness test procedure development and start of test services

ESDA SP14.5 released

API internal Shielding Effectiveness standard released