Review Category : Glossary

Smartphone

a smartphone is a mobile device that combines the capabilities of a phone with those of a desktop computer. Smart phones are generally capable of accessing the internet, and are capable of storing more data and running more applications than a basic mobile phone. Some examples of smart phones are Apple’s iPhone, RIM’s Blackberry, and devices using Google’s Android or Nokia’s Symbian operating systems. These types of devices are coming to dominate the cellular market.

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SIM

sim-card-collection

SIM stands for Subscriber Identification Module.  A SIM card stores information necessary to a phone’s function, like it’s phone number, and can be used to store information like SMS messages and contact information on phones connected to a GSM network.
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SD Card

800px-sd_cards

SD stands for Secure Digital. Available in a number of capacities, these cards can be used to store data by a wide variety of devices, from cellular phones to digital cameras to GPS receivers. Currently, the highest capacity of SD card is 32 GB.
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Router

A router is a device that allows multiple devices to connect to the same network. For most users, this means allowing multiple devices can connect to the internet through a single modem, and are able to interact directly with each other.

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RF

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.

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Real-Time 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.

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RCA Connector

A type of electrical connector commonly used to carry audio and video signals. They have largely replaced BNC connections on most home entertainment systems. It is used to connect everything from cameras to video game systems.

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Passive GPS

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.

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