Spy & Security Gadgets:

KJB Security Rabbler Noise Interference Creator

Rabbler Noise Generator Device
Read Review

HD 4K Wifi Smoke Detector Spy Camera with Dual-Lens Night Vision and Audio

Smoke Detector Spy Camera with Dual-Lens Night Vision and Audio
Read Review

Taser® X2 Stun Gun with Double Lasers

Taser® X2 Stun Gun with Double Lasers
Read Review

Mini SpyWfi™ DIY Spy Camera with Audio (1.8″x1.7″x0.7″ in Size)

Spy Camera, Mini, DIY Wifi
Read Review

How Infrared Cameras Work?

Infrared cameras can see what human eyes cannot. Such cams create an image based on infrared radiation versus light. Infrared technology spots radiation created by heat. And heat is created when atoms, molecules which are in motion. Everything around us is made of atoms. The more they move around, the more heat is created. That’s … Read more

What is GSM?

Global System for Mobile Communications or GSM (Groupe Spécial Mobile originally) is a cellular network for mobile devices. It originated in Finland. This network is made of antennas placed in relatively close proximity that send signals. GSM system is global, which means you’ll find the same antennas working in Asia, Europe and USA. SIM is one … Read more

GPS Technology

What is GPS and How it Works? GPS, similarly to internet, has left a huge impact in the history of mankind. Bold words, but it’s true. Now almost every new vehicle comes with GPS system installed. It’s really hard to imagine a world without GPS nowadays. GPS is a satellite based location tracking solution. GPS stand … Read more

What is GPS Mapping Software?

GPS mapping usually refers to GPS navigation devices used in cars, not GPS tracking units. The geographic landscape is constantly being updated, new roads built and so on… Therefore you cannot use the same old navigation system in your vehicle or handheld GPS device as it becomes outdated. You need to update your GPS mapping … Read more

How GPS Data Logger Works?

Data logger is any electronic device that stores data or information over a period of time. They use portable and usually battery powered. Why is this important? Because that’s what GPS data logger is. GPS loggers are essentially different from real time GPS trackers, because of their technological design features. GPS Data Logger vs. GPS … Read more

How GPRS Works?

GPRS or General Packet Radio Service is a network that extends GSM with new capabilities. GPRS allows mobile devices to send/receive IP data such as accessing email, browsing web, instant messaging. GPRS is available with every GSM cellular network. So where one works, the other is pretty sure to work too. Vehicle tracking systems mostly use … Read more

What is Geo-Fence?

The term geofence or geofencing essentially means monitoring someone within the preset perimeter using GPS technology. Companies widely adopt this model to keep track of their employees and make sure they aren’t breaching the geofence. As soon as they do, you get an alert via SMS or email. An example would be logistics companies or movers. A boss sets … Read more

What is DVR and How it Works?

DVR stands for digital video recorder. It’s more advanced technology than VCR. For home use, DVR’s can record TV shows while turning on at set dates/times and turning off. You can collect a whole season of your favorite TV show, while being away on vacation for a year. You couldn’t do that with VCR’s for sure. … Read more

DTMF (Dual Tone Multiple Frequencies)

A system used in touch-tone telephones. DTMF assigns a frequency to each key for easier identification. In spy world for example, DTMF technology is used in tone decoders. It lets you recognize the numbers dialed from a phone. You can find out what number was dialed. All you need to do is play the pre-recorded … Read more

CMOS Technology

CMOS stands for complementary metal oxide semiconductor. It is an image sensor technology that competes with CCD sensors. CMOS were better in the early days as they consumed less power than CCD image sensors, although image quality wasn’t the most satisfying. Later both technologies have advanced and now it’s harder to choose one instead of the … Read more