YD/T 1644.1-2007.Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices-Human models, instrumentation, and procedures Part 1: Procedure to determine the specific absorption rate (SAR) for hand-held devices used in close proximity to the ear (frequency range of 300 MHz~3GHz).YD/T 1644.1规定了使用时发射部分靠近耳边使用的手持无线通信设备的比吸收率的?..................
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