The International Telecommunications Union reserves a special radio band in the 1400-1427 MHz range, called the L-band, especially for Earth-observing satellites and space astronomy.

国际电信联盟保留了1400- 1427MHz范围内的特殊无线电频段，亦称L -频段，特别供地球探测卫星和太空天文使用。

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These additional considerations are key in a telecommunications service provider environment, especially one with complex configurations

另外，下面这些因素在电信服务提供商环境中也很重要，对于具有复杂配置的环境尤其如此

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These additional considerations are key in a telecommunications service provider environment, especially one with complex configurations

另外，下面这些因素在电信服务提供商环境中也很重要，对于具有复杂配置的环境尤其如此

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