(a) General use and State License channels. All systems using six or more narrowband channels in the 769–775 MHz and 799–805 MHz frequency bands must be trunked systems, except for those described in paragraph (b) of this section.
CFR 47-90.537-2014由US-CFR-file 发布于 2014-07-10,并于 2014-07-10 实施。
CFR 47-90.537-2014 在中国标准分类中归属于: M05 通用零部件、线路器材。
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