RF refers to radio frequency, the mode of communication for wireless technologies of all kinds, and it is often used in baby monitors, remote control toys, cordless phones, radar, and GPS.
Real-time GPS tracking systems send location updates to the Internet every 5 to 10 seconds. There is no need to retrieve the GPS device in order to get the location data, because you can view these real-time updates directly on the Internet. This let’s you follow a car or person to their approximate GPS location no matter where they are in real-time, online.
PTZ refers to Pan, tilt, and zoom. This is most often used on security cameras that sense motion or body heat and pan/tilt/zoom to capture the action.
Passive GPS devices store GPS location, speed, heading that can be quickly downloaded from the device onto your computer. The device is sometimes triggered by an event such as key on/off, door open/closed. Passive GPS is commonly used with fleet management and vehicle tracking where GPS data only needs to be harvested once in awhile rather than in real-time. Once the vehicle returns to a predetermined point, the device is removed and the data downloaded to a computer for evaluation. On the other hand, active GPS devices also collect the same information but usually transmit the data in real-time via cellular or satellite networks to a computer or data center for evaluation.
Night vision offers users the ability to see in a dark environment.
Network Cameras, also known as IP Cameras, allow users to monitor and in some cases, record footage remotely from anywhere in the world.
An MP3 is a digital audio file used for playing back music and recordings. An MP3 player is a device for playing MP3 files.
A monocular is a miniature, low powered telescope or spotting scope that you hold in your hand like a binocular but look through with one eye like a telescope. A monocular shares characteristics with both binoculars and spotting scopes, but is much smaller than either. Some monoculars are no larger than your thumb or thicker than a good ink pen and any monocular will slip easily into a pocket or a purse.
