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D-Link DCS-5220 User Manual

D-Link DCS-5220
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98D-Link DCS-5220 User Manual
Appendix A - Wireless Basics
What is Wireless?
Wireless or WiFi technology is another way of connecting your computer to the network without using wires. WiFi uses
radio frequency to connect wirelessly, so you have the freedom to connect computers anywhere in your home or ofce
network.
Why D-Link Wireless?
D-Link is the worldwide leader and award winning designer, developer, and manufacturer of networking products.
D-Link delivers the performance you need at a price you can afford. D-Link has all the products you need to build your
network.
How does wireless work?
Wireless works similar to how cordless phone work, through radio signals to transmit data from one point A to point
B. But wireless technology has restrictions as to how you can access the network. You must be within the wireless
network range area to be able to connect your computer. There are two different types of wireless networks Wireless
Local Area Network (WLAN), and Wireless Personal Area Network (WPAN).
Wireless Local Area Network (WLAN)
In a wireless local area network, a device called an Access Point (AP) connects computers to the network. The access
point has a small antenna attached to it, which allows it to transmit data back and forth over radio signals. With an
indoor access point as seen in the picture, the signal can travel up to 300 feet. With an outdoor access point the signal
can reach out up to 30 miles to serve places like manufacturing plants, industrial locations, college and high school
campuses, airports, golf courses, and many other outdoor venues.

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D-Link DCS-5220 Specifications

Operating Environment IconOperating Environment
operating temperature0˚ to 40˚C (32˚- 104˚F)
storage temperature-40˚ to 70˚C (-14˚ - 158˚F)
humidityMax. 95% RH
Power IconPower
external power supply12V DC 1.5A
power consumption4.8 Watts
Camera Specifications IconCamera Specifications
cmos sensor1/4”
minimum illumination0.5 Lux @ F2.0
viewing angle horizontal270º
viewing angle vertical90º
Video and Audio IconVideo and Audio
video resolution at 160x120Up to 30fps
video resolution at 176x144Up to 30fps
video resolution at 320x240Up to 30fps
video resolution at 640x480Up to 30fps
audio bitrate AAC16kbps~128kbps
audio bitrate GSM-AMR4.75kbps~12.2kbps
Weight and Dimensions IconWeight and Dimensions
width4.1”
height4.4”
depth4.3”
item weight0.7 lbs
packaging weight2.9 lbs

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