12th Feb 2010
What are the differences between HD and megapixel cameras?
Over the last year, there has been an explosion in the number of manufacturers offering megapixel IP cameras, with many reaching over 3-megapixel.…
12th Feb 2010
Axis Internet Dynamic DNS Service
Note: NW no longer recommends the use of port forwarding.
IP security cameras allow you to view your home or business from anywhere in the world…
19th May 2009
Do you mentally background your business's security system?
Is yours a 'Most Businesses' business?
Most businesses these days have some form or other of CCTV security or surveillance system on the premises.…
18th May 2009
What is a P-Iris?
Note: IP camera lens technology has moved on since the publication of this article. However, P-Iris lenses remain in use.
P-iris is an automa…
1st May 2009
How to set up a personal FTP server for use with an IP camera's image transfer function
Note: NW no longer recommends the use of the insecure FTP protocol. If image transfer is required consider using a video management system. If FTP…
3rd Apr 2009
Using H.264 video compression in IP video surveillance systems
H.264 is an open video compression standard. Uniquely, H.264 is the first compression format to be formed by collaboration between members of both…
15th Jan 2009
Glossary: Complementary Metal Oxide Semiconductor (CMOS) Sensor
A CMOS sensor, when applied to IP surveillance cameras, is a device which converts light energy into electrical voltages which can be read by an IP…
1st Dec 2008
Glossary: JPEG
A JPEG is a way of storing images on a digital device such as IP CCTV cameras, digital cameras and mobile phones. JPEG is a compressed image format…
1st Dec 2008
Glossary: MJPEG
MJPEG is short for Motion-JPEG which is a means of storing video footage from IP cameras and digital camcorders.
An MJPEG Movie consists of m…
24th Oct 2008
Glossary: Tampering Alarm
The Tampering Alarm is an intelligent feature found on IP CCTV cameras which have a strong focus on security, such as tamper/vandal resistant IP ca…
20th Oct 2008
Glossary: Network Video Recorder (NVR)
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Network Video Recorder (NVR) is a digital device which sits on your IP CCTV network to receive live image/video streams and record them d…
30th Sep 2008
Glossary: Power over Ethernet Midspan
When used in conjunction with Power over Ethernet compatible equipment such as an IP CCTV security camera, a midspan is the device used to combine…