Technical Specifications

Appendix

I

 

Veo Observer Network Camera Technical Specifications

 

 

 

 

Resolution

VGA (640 x 480)

 

 

 

 

Type

CCD

 

 

 

 

Color depth

24 bit

 

Image

 

 

Streaming Sizes

160 x 120, 320 x 240, 640 x 480

 

 

 

Compression

Motion JPEG (in hardware)

 

 

 

 

 

 

160 x 120 10 fps

 

 

 

 

Frame rate

 

320 x 240 10 fps

 

 

 

 

 

 

640 x 480 5 fps

 

 

 

 

Sensitivity

 

1 lux

 

Lens

 

 

Aperture

 

F2.0

 

 

 

Construction

 

5 element, all glass

 

 

 

 

Type

 

Fixed Focus

 

Pan-Tilt

 

 

Range

 

120° pan (+/- 60°), 60° tilt (+/- 30°)

 

Network Connection

 

 

Ethernet

 

RJ-45, 10/100 baseT

 

Audio

 

 

Sampling

 

8 kHz, mono, 16 bit PCM

 

Power

 

 

Voltage

 

5 VDC

 

 

 

 

Enclosure

 

Indoor use only

 

Environmental

 

 

Max. Humidity

 

80%

 

 

 

 

 

Operating Temperature

 

32 to 122° F (0 to 50° C)

 

 

 

 

Wireless Observer

 

 

 

 

 

Network Interface standard

 

802.11b (WiFi)

 

 

 

 

Connection Modes

 

Infrastructure or Ad-Hoc

 

WLAN

 

Range

 

At least 300ft (open environment)

 

 

WEP encryption

 

64 or 128 bit

 

 

 

 

 

 

 

 

 

Frequency

 

2.4 GHz Direct Sequence Spread Spectrum

 

 

 

 

Channels

 

1-11 (N.America), 1-14 (Japan), 1-13 (Europe, ETS I)

Page 65 of 69

Page 65
Image 65
Veo 802.11b manual Veo Observer Network Camera Technical Specifications

802.11b specifications

The Veo 802.11b is a notable wireless networking standard that emerged in the late 1990s as one of the first widely adopted protocols for local area networks (LANs). Operating in the 2.4 GHz frequency band, 802.11b provided users with the ability to connect to the internet and share resources without the constraints of wired connections.

One of the primary features of 802.11b is its maximum data transfer rate of 11 Mbps, which was impressive at the time of its release. This speed allowed for basic internet usage, file sharing, and general network connectivity. While this might seem slow by today’s standards, it laid the foundation for the rapid evolution of wireless technologies.

Veo 802.11b utilized Direct Sequence Spread Spectrum (DSSS) technology, which enhanced the reliability of the connection by spreading the signal over a wider frequency range. This technique helped to reduce interference, particularly in environments with multiple wireless devices operating on the same frequency. The standard also included mechanisms for ensuring data integrity, such as the use of cyclic redundancy check (CRC) algorithms.

In terms of range, Veo 802.11b offered coverage of approximately 100 to 300 feet indoors, and up to 1000 feet outdoors depending on environmental factors. This range made it suitable for home networks and small office environments, allowing users to access the internet from different locations within a building without the need for cumbersome cabling.

Another characteristic of the 802.11b standard was its compatibility with the earlier 802.11 standard, ensuring that devices using both protocols could operate together. This backward compatibility facilitated a smoother transition for users upgrading their systems, as they could maintain connectivity with older devices while enjoying the benefits of faster wireless networking.

Security was also an important aspect, though initially limited. The standard employed Wired Equivalent Privacy (WEP) for data encryption, which provided a basic level of security to protect wireless communications. However, as vulnerabilities were discovered in WEP, the need for stronger security protocols became evident, leading to further developments in later standards.

Ultimately, the Veo 802.11b played a pivotal role in revolutionizing wireless communications. It established the groundwork for further advancements such as 802.11g and 802.11n, which provided higher speeds and greater efficiency. While newer standards have since eclipsed its capabilities, 802.11b remains a significant milestone in the evolution of wireless networking technology. Its influence can still be seen in the pervasive use of wireless networks in homes, offices, and public spaces around the world today.