Bluetooth uses the 2.4 gigahertz frequency to communicate with other devices.

蓝牙通过使用 2.4 千赫的频率信号来与其他设备通讯。

A cordless phone is 5.8 gigahertz. This is wi-fi.

无线电话是5.8千赫 这个是无线网络。

6 gigahertz standard, and there's an option to go to 1.8 gigahertz if you want.

标准版是1.6千赫，如果你需要的话，也可以选择1.8千赫。

It could be 32.768 kilohertz or 2 megahertz or 200 megahertz depending on its size.

这可能是32.768千赫2赫200赫，具体决于其大小。

It's how could you have gigahertz processors in this DRAM that takes 100 nanoseconds?

这怎可能呢？在需要100纳秒的动态随储器（DRAM）中，处理器如何能达到千赫（GHz）的运行速度？

These mice have, they use Bluetooth, but they have a 2.4 gigahertz dongle.

这些鼠标采用蓝牙连接，但也配备了一个2.4千赫的接收器。

Average frequency and then there's a band around the 10 gigahertz.

平均频率，然后在10千赫附近有一个频段。

Most Wi-Fi networks use the 2.4 gigahertz frequency, which only has a certain number of channels, or subdivided frequency ranges, to broadcast on.

大多数无线网络使用2.4千赫频率，这个频率只有一定数量的信道， 者说细分的频率范围， 用于广播。

Sales Clerk: Well, this desktop over here is our latest model. It has a four gigahertz processor with sixteen gigabytes in RAM and a hard disk with one terabyte.

嗯，这边这台台式是最新款。它有四个千赫处理器，16G的内，以及一个1TB的硬盘。

Newer 5 gigahertz networks have more channels available, which makes this less of a problem, but not all routers and devices can use them.

新的5千赫网络有更多的可用信道，这使得这个问题不那严重， 但并不是所有的路由器和设备都能使用它们。

Instead, 12 teams around the world will set up radio telescopes calibrated to the same frequency -- 230 gigahertz -- all pointed at our supermassive black hole neighbor, Sagittarius A.

相反，世界各地的 12 个团队将架设校准到相同频率（230 千赫）的射电望远镜，全部瞄准我们的超大质量黑洞邻居人马座 A。

And by comparison, most processors in our conventional computers operate closer to the one gigahertz range, maybe three gigahertz seems to be kind of where those speeds have leveled out.

相比之下， 我们传统计算中的大多数处理器运行速度更接近于1千赫范围，许3千赫似乎是这些速度趋于平稳的一个点。

The easiest thing to do is to deploy 5G in the new spectrum you can get, which is in the sub-6, you see bands being auctioned across the globe in the 3.5 gigahertz.

最简便的做法是在你能够获得的新频谱中部署5G，这一频谱位于6GHz以下， 全球范围内正在3.5千赫频段进行频谱拍卖。