About Technology

Digital Doorman on Duty

One of the draws of the luxury apartment buildings on New York's Park and Fifth Avenues has been the access…

11 years ago

Long Range IR PTZ Cameras – How Long is Long?

IP surveillance cameras are ubiquitous today. Everyone who sets foot out his door is well aware that somewhere, sometime on…

11 years ago

Physical Security Systems

A physical security system is a collection of equipment and software that provides security and safety. It can use a…

11 years ago

Are IP Cameras Better Than Analog CCTV Cameras?

Comparison of IP Cameras and Analog Cameras Why should I use an IP camera when the analog cameras are so…

11 years ago

Emergency IP Paging Using Panic Buttons

Emergency paging increases safety because it provides immediate notification of dangerous situations.  By adding panic buttons, you can make these…

11 years ago

The Ubiquitous Intercom

The intercom has been with us for a long time, although we rarely acknowledge its presence. That's because an intercom…

11 years ago

Comparison of Door Access Control Systems

Remember when door readers were connected to the central control panel and how difficult it was to run all the…

11 years ago

Biometric Authentication – the New Kid on the Access Control Block

Once residing only in the realm of science fiction, biometric authentication has moved into our everyday worlds. And if it's…

11 years ago

IP Camera Low Light Test and Evaluation – Sony vs Samsung vs Axis

We tested a number of IP cameras so we could recommend the right camera for low light level applications. Other key…

12 years ago

IP Camera Test and Review of Wide Dynamic Range – Sony vs Samsung vs Hikvision

Some applications require IP cameras with a wide dynamic range (WDR). What is a wide dynamic range? It means that…

12 years ago