What the heck is slap n’ track? You’ve heard the term a few times probably. I guess by reading GPS related article. Well, “slap n’ track” is a term used for specific GPS trackers. As the name suggests, they are very simple to set up. You slap the GPS tracking device on a vehicle and … Read more
SIM (subscriber identification module) – Technology used to identify the user for mobile subscription service, like your cell phone carrier. SIM card is a tiny card used in mobile phones to store this user information. It can be easily removed and inserted into a different device without any memory/data loss. SIM card stores such info as … Read more
When you hear everyone talk about security camera systems you may sometimes wonder what exactly it is. The word system reveals it’s something more sophisticated than it actually is… So let’s take a look at the components that are required to have such a security system. Security Cameras – Cameras are essential for “camera systems”. We’re … Read more
SECAM stands for Séquentiel couleur à mémoire (Sequential Color with Memory) The first European color video format, analog to PAL, NTSC. Developed in France. Used mostly in France, East & Middle Europe. SECAM and PAL are similar because of the resolution they use (625 TV lines). Therefore, SECAM systems can play PAL video without problems. However, not … Read more
When shopping for spy cameras, you might have stumbled upon a term – resolution. You know in computers resolution determines the size of your monitor screen or vice versa. In cameras, resolution is pretty much the same thing. It determines the quality of image you’ll get. Only for cameras resolution is calculated by the number … Read more
Often you read terms like “RF signal”, “RF”, “frequencies” and you wonder what does it mean and how does it work. More importantly, what you need to know about them when you’re ordering a spy device like spy bug or wireless mini spy camera. Let’s take a quick look. Radio frequency or RF is electromagnetic … Read more
Pan/Tilt/Zoom or PTZ camera is a 360 degree angle rotating surveillance camera. Often used in surveillance, CCTV systems. Such cams are usually more expensive, because they provide much-better functionality compared to regular security cameras. PTZ camera can be pre-programmed to move in a certain path. It can zoom in and zoom out, auto-detect motion, have … Read more
How PIR Sensors Work in Spy Security Cameras and Home Alarm Systems? If you haven’t read about motion activated technology and infrared night vision, do so now. It will let you better understand the infrared motion sensors, which we’ll cover here. Definition: PIR stands for Passive Infra-Red. Passive infrared sensor is an electronic device that is used … Read more
Wiretapping means secretly listening someone’s conversation over the phone. It’s done by using a spy bug. A bug is installed in a telephone and transmits all the phone conversations back to the spy. Not long ago cell phone tapping emerged as a new type of phone tapping. This time, no bugs are being used. It’s done … Read more
PAL (Phase Alternating Line) is encoding system for analog color TV. It was alternative standard for NTSC system used in North America in the 1950’s. PAL was invented to overcome several weaknesses of NTSC encoding format. When You Can Get in Trouble? Several “standards” are never good. They cause confusion and a lot of headache for … Read more
