A category defines a particular kind of device; cellular telephones, simple pagers, and organizers are separate categories.

一个类别定义了一个特定种类的设备：移动电话、简单寻呼机和电脑记事本都是单独的类别。

youdao

Then you can test directly from your mobile device anywhere your device can get a good cellular connection.

然后可以直接在连接良好的移动设备中测试。

youdao

What makes Mobisante's device interesting is that it can connect directly to a cellular network or Wi-Fi, allowing the user to send images with the push of a button.

Mobisante公司的便携超声设备卖点在于可以直接连接到无线网络和蜂窝网络，同时允许用户直接发送图像。

youdao

Just imagine how large your cellular bill may grow to be now that your cellular device, not really just a phone any longer, has become a critical part of your daily routine.

FORBES: Senator Kohl Boosts Anti ATT/T Mobile Merger Sentiment

But, given the minimal additional cost to include the earpiece into what was already a cellular-equipped device, I say why not include it?

ENGADGET: Editors Letter: Sir Galaxy the Fourth

On April 3, 1973, Martin Cooper, a researcher at Motorola, made the world's first-ever call from a cellular telephone, a device he helped to create that weighed two pounds and had a mere 20-minute battery life.

FORBES: Magazine Article