Many of the best home security cameras include instructions for picking the best spot, and this often varies depending on the ...

CNET staff -- not advertisers, partners or business interests -- determine how we review products and services. If you buy through our links, we may earn a commission. Video doorbells are useful for ...

Figures of merit for single-photon detectors. The most widely quoted figure of merit for photodetectors is the noise equivalent power (NEP)24, and this has proved useful for optical power measurements ...

The aim for this project was to design and develop a device which can be used to extend range of IR communication between RTV remote and RTV device using WiFi. It was latter extended to provide the ...

Abstract: This article presents a fan-beam lens antenna design for impulse radio ultrawideband (IR-UWB) through-the-wall human detection radar applications operating in the 1–8 GHz. The proposed ...