As an international non-profit organization founded in 1984, CTIA（the Cellular Telephone Industries Association）plays an active role in promoting development in wireless and internet industries.

CTIA OTA is a part of CTIA mobile phone certifications to measure TRP and TIS, consists of three parts, “basic characteristics of test chamber”, “path loss of test chamber” and “characteristics of mobile phone”.

On March 28th 2014, SRTC passed review and obtained the CTIA OTA certification, expanded the test services of 2G\3G\LTE\WIFI\AGPS in all systems and bands that meet CTIA TEST PLAN 3.2.2 standard.