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Pay as you go wireless services are cell phone services where the consumer purchases air time minutes and other cellular options in advance. Going with a prepayment service plan of this type eliminates the need for entering a long term contract with the service provider, and also ensures that the consumer only pays for the … Read more

Kiosk systems are small, freestanding enclosures that are usually designed to provide information, products, or services to consumers. Typically, kiosk design entails having an open side of the enclosure or a window cut out so that transactions can be conducted. For example, newspapers or cigarettes are often sold on the street in small kiosks. In … Read more

A weatherproof socket it a receptive connector, typically for electrical current, that has been specially modified for outdoor use. A receptive connector is a connector into which another cord can be plugged. Ordinarily, anyone exposing a powered electrical socket to water risks creating an electrical short circuit, which can be very dangerous. By using a … Read more

A Yagi antenna, also known as a Yagi-Udo antenna or a yagi, is a type of antenna array often used by amateur radio operators. It can also be used for other purposes, for example as a TV antenna, to collect radio signals from space, and as a cellular antenna. Depending on its construction, it can … Read more

A PDA screen protector is a thin piece of material, such as plastic film or mylar, that is meant to cover the screen of a PDA, or personal digital assistant, to protect it from damage. Due to the use of a PDA screen and its interactive, touch-sensitive properties, the screen can sustain damage. The PDA … Read more

Crank powered radios are audio receivers that are constructed to receive signals from a number of frequency bands. In this aspect, a crank powered radio is just like any standard radio that operates with batteries or wall current as the power source. What sets the crank powered radio apart is the presence of a hand … Read more

A Bluetooth earpiece is a type of wireless hands-free headset. The earpiece usually fits over or in a person’s ear and allows him to hear and communicate over the phone, completely hands-free. An earpiece like this is called Bluetooth for its type of technology, which uses radio waves. This allows for things like phones, computers, … Read more

A PDA charging station is an electronic device that recharges the batteries of PDAs, or personal digital assistants. It is common for professionals to use PDAs in order to keep their calendars and notes organized. PDAs are also often used for on-the-go work and have functions that allow users to send and receive emails and … Read more

Digital multiplex interface (DMX) scanners are a type of moving light known as intelligent lighting used for effects in stage and venue lighting. Scanners often contain multiple colors and light shaping tools like mirrors or gobos which can create a variety of effects and designs. This type of light is most frequently seen as an … Read more

Choosing the best hunting rifle scope depends upon individual conditions, such as type of rifle and prey, terrain, and the most likely shooting distance. The scope’s reticle center is adjusted to accurately indicate where a rifle’s bullet will hit at some predetermined range. This distance can be affected by terrain conditions, how close you intend … Read more

Live video conferencing is a method by which people who are separated by potentially great geographical distances can communicate and work together. Different types of software and hardware can be used to facilitate such conferencing, though cameras, computers, and a computer program that allows chat and audio and video broadcasting are typically used. These various … Read more

Healthcare software is a records management tool used by many hospitals, clinics and doctor’s offices, to reduce paperwork and make the billing process more efficient. Some healthcare software is used strictly for medical data on patients, such as the dates and nature of office visits and a record of any tests or procedures performed. Other … Read more

It’s hard to go wrong with electronic gifts. There are numerous options when it comes to electronic gifts, from items that make life a little easier to those that enhance home entertainment. You should have no problem finding something for everyone on your shopping list. However, there are some specific issues to consider when purchasing … Read more

A solar LED light is a device that uses energy from the sun to power a lamp containing light-emitting diode (LED) bulbs. These lights collect solar energy through a photovoltaic panel, then store this energy until it is needed to power the lights. Solar lights are available in a wide variety of styles and finishes, … Read more

A 3G phone is a phone built to work on a 3rd generation cell phone network. The 3rd generation of telecommunications replaced the 2.5G. 3G allows for higher efficiency, which in turn lets carriers offer expanded services. Some things that people associate with 3G networks are video calls, broadband data services, and wide-area wireless, all … Read more

A surveillance system is one that uses a combination of cameras and computer sensors to closely monitor specific locations. There are different levels of protection available, as well as several features that one can add to the system to customize it to specific needs. Generally, a surveillance system can be purchased through a security company, … Read more

Optical fibers are flexible fibers with properties that allow them to channel the movement of photons of light along the fiber’s length. A fiber-optic light source emits light that has been sent down an optical fiber. Fiber-optic light sources are used in several different applications, both practical and decorative. The optical fiber in every fiber-optic … Read more

There are quite a few different types of night vision spy camera, which are often categorized based on the way in which they are meant to be used and the technology used in them. Personal spy cameras are devices that can be concealed on the body of a person, and one with night vision will … Read more

3G phones are mobile telephony devices that operate on the 3G network. These mobile receivers and transmitters are more expensive than earlier models of cellular phones and cannot operate on either a 1G or 2G network. Cellular phones were originally introduced in the 1980s when the Advanced Mobile Phone Service network was launched. This was … Read more

Open source web development is the process of using an open source program to build a website, either for a client or for oneself. A developer should get an open source web development program built in a programming language he or she knows if the goal is to unlock its full potential. Building simple designs … Read more