求翻译：FCC还考虑在2GHz以下对发射功率谱做更低的限制，以保护GPS等，但目前还没有定义界限。国家电信信息管理局(NTIA)的报道结果分析出UWB发射机对工作在1.2GHz 和1.5GHz GPS的影响很大，有20~35dB甚至更大的衰减，超出了FCC Part 15.209对功率的限制，需要对GPS工作频段进行保护。是什么意思？

fcc also consider the transmission power spectrum at 2GHz or less the lower limit to protect the gps, but there are no defined boundaries. National Telecommunications Information Administration (ntia) reported the results of analysis of the uwb transmitter 1.2ghz and 1.5ghz gps 20 ~ 35db even greate

Also consider FCC GHz in 2 of the launch the power spectrum as a lower limit, in order to protect GPS, but there is no defined boundaries. National Telecommunications information administration (NTIA) analysis of the results reported by the UWB transmitters to work in 1.2 and 1.5 GHz GHz GPS was sig

FCC also considered along launches the power spectrum below 2GHz to make a lower limit, protects GPS and so on, but at present has not defined the boundary.The National Telecommunication Information Administrative bureau (NTIA) report result analyzes the UWB transmitter is very big to the work in 1.

FCC also considers 2GHz the following restrictions on more low emission power spectrum to protect, such as GPS, but there are no defined boundaries. The national telecommunications information Administration (NTIA) reported the results of analysis of UWB transmitters on the work greatly influenced a

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