In the video world, image truly is everything. When IP video technology burst onto the surveillance scene nearly 20 years ago, many experts began surmising about the days left for its older, grainier, ...

A method of transmitting information using energy waves. It doesn't have discrete levels but is a continuously variable wave. Human voice for example is transferred by directly converting the sound ...

Many current digital (2G & 3G) phones also feature the ability to roam on older analog (1G) networks. Analog networks typically have greater coverage than digital networks. Therefore, phones with ...