When disaster strikes, and conventional communication systems fail, amateur ham radio operators step in to bridge the gap, ...

Brother's scanners hold up well in a highly competitive, crowded market. That fact is more than enough to render the ADS-4900W our current favorite mid- to high-volume sheetfed document scanner ...

5、载波频率采用杂音干扰较少的UHF频段，振荡电路采用PLL相位锁定设计，特性最稳定，谐波辐射最低。 6、内建两个接收频道，各频道内建10个群组，共预设精挑的102个互不干扰频率，具有最先进的Auto Scan自动搜寻功能，可以快速设定不受干扰的工作频道。

Police scanners fans can hear live police, fire, and ambulance calls. However, it isn’t as easy as it used to be because nearly all radios now are trunked. That means conversations might jump ...

From Disney World to the smartphone in your pocket, fingerprint scanners have become commonplace these days. Even budget phones sport the tech these days, sometimes alongside other biometric ...

Since 2004, I have worked on PCMag’s hardware team, covering at various times printers, scanners, projectors, storage, and monitors. I currently focus my testing efforts on 3D printers ...

If you're wondering how to digitize those shoeboxes full of photos sitting in your attic, a leading option is a personal photo scanner. Photo scanners can be faster than other options, such as ...

Today's all-in-one printers suffice for the occasional scan, but photo buffs and family archivists alike turn to dedicated photo scanners to digitize their prints and film. Their high sensor ...

Want to regain control of your space? Invest in a quality scanner. Between photo and document scanners, all-in-one printers with scanning functionality, and portable scanners for mobile work ...

From a security standpoint, it also limits the effectiveness of scanners who might not know the control methods the trunked systems are using. But now a global standard for encrypted trunked radio ...