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https://e2e.ti.com/support/wireless-connectivity/other-wireless-group/other-wireless/f/other-wireless-technologies-forum/1022119/trf7970a-electric-field-strength-at-3m-from-antenna
您好！ 在日本无线电法规中、如果距离天线3m 处的电场强度小于或等于500uV/m、则无需无线电认证。 TRF7970A 的值是多少？ 谢谢、此致、 田志郎一郎
您好、Koichiro、
对于场强、我们无法仅为 TRF7970A 器件提供值。 场强取决于整个系统、主要是天线。 必须在该距离处测量整个系统。
此致、
Helfried
