The new SAR standard for mobile communication devices GB 21288-2022, which replaces the old standard, GB 21288-2007, has been implemented from January 01, 2024. Therefore, all mobile communication devices, operating within 100 kHz ~ 300 GHz and used within 20 cm of the human body, should now comply to the new standard, GB 21288-2022. The main technical changes are as follows: 1. Scope The scope ..