What is a Digital TV Station?

A digital TV station is a physical or virtual point of origin, or broadcaster, of digital television programming. Typically, a digital TV receiver of some kind is required to view … Read More

What Is an SLR Telephoto Lens?

A single-lens reflex (SLR) lens is a photographic lens designed to be mounted exclusively on an SLR camera. Featuring this type of camera mount, an SLR telephoto lens is one … Read More

What is a Rack Mount Surge Protector?

A rack mount surge protector is an electrical housing that protects a variety of electronic devices from harmful voltage surges or electrical noise created by a power source. A rack … Read More

How do I get a Ham Radio License?

Ham radio operators use radio equipment to communicate with each other for fun and recreation and to assist their communities during emergencies. Ham radio operators are also called amateur radio … Read More

What is Mobile VoIP?

Mobile VoIP refers to technology that allows voice calls to be made on mobile phones using Voice over Internet Protocol. These particular communication protocols do not replace regular cellular service … Read More

What is a Geocaching GPS?

A geocaching GPS is a handheld Global Positioning System (GPS) device that is designed, at least to a certain extent, with the needs of geocachers in mind. The units are … Read More

What are Bluetooth Headsets?

Bluetooth&reg headsets are wireless devices used for hands-free communication, commonly on a cell phone. Bluetooth&reg headsets may also be used by employees in a call center, by people working on … Read More

What are Cordless Headphones?

Cordless headphones allow the wearer to move freely without restraint of a cord while listening to a home stereo, television or other electronic audio player. The devices also free the … Read More

What is a Radio Flashlight?

A radio flashlight is a helpful combination tool in an emergency or simply if there is an extended power outage. Since power outages mean access to most information sources like … Read More

What is a Cell Phone Headset?

A cell phone headset is a device used for hands-free communication on your cell phone. In many areas, it is illegal to talk on your cell phone while you are … Read More

What are GPS Accessories?

A global positioning system (GPS) device is often very useful as a stand-alone item when it comes to navigation and travel. However, adding GPS accessories can greatly enhance the system’s … Read More

What is a USB Pen Camera?

A USB pen camera is a pen with a camera hidden inside that typically comes apart to allow the camera to connect to a computer through a USB port. Typically, … Read More