Intel 3945ABG Signal Strength, Adapter MAC, Address Band, Supported Data, Rates, Radio Frequency

Models: 3945ABG

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Signal Quality

A radio frequency (RF) signal can be assessed by two components:

 

signal strength (quantity)

 

signal quality

 

The quality of the signal is determined by a combination of factors. Primarily it is composed of

 

signal strength and the ratio of the RF noise present. RF noise occurs both naturally and

 

artificially by electrical equipment. If the amount of the RF noise is high, or the signal strength

 

is low, it results in a lower signal to noise ratio which causes poorer signal quality. With a low

 

signal to noise ratio, it is difficult for the radio receiver to discern the data information

 

contained in the signal from the noise itself.

Signal Strength

The signal strength for all received packets. The more green bars displayed, the stronger the

 

signal.

Adapter MAC

Media Access Control (MAC) address for the wireless adapter.

Address

 

 

Band

Indicates the wireless band of the current connection.

 

802.11a

 

802.11b

 

802.11g

Supported Data

Rates at which the wireless adapter can send and receive data. Displays the speed in Mbps for

Rates

the frequency being used.

 

802.11g: 1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, and 54

 

802.11b: 1, 2, 5.5, and 11

 

802.11a: 6, 9, 12, 18, 24, 36, 48, and 54

Radio Frequency

Displays the frequency of the current wireless connection.

 

802.11a: 5.15 GHz to 5.85 GHz

 

802.11b/g: 2.400 GHz to 2.4835 GHz (dependent on country)

Channel Number

Displays the transmit and receive channel.

Network

Displays Open, Shared, WPA-Personal and WPA2-Personal modes, WPA-Enterprise, and WPA2-

Authentication

Enterprise. Displays the 802.11 authentication used by the currently used profile. Refer to

 

Security Overview for more information.

Data Encryption

802.1x

Authentication Type

802.1x Authentication Protocol

Displays None, WEP, TKIP or AES-CCMP. Refer to Security Overview for more information.

Displays None, MD5, EAP-SIM, TLS, TTLS, PEAP, LEAP, or EAP-FAST. Refer to Security Ovewrview for more information.

Displays None, PAP, MD5, GTC, CHAP, MS-CHAP,MS-CHAP-V2 or TLS. Refer to Security

Overview for more information.

CCX Version

Version of the Cisco Compatible Extensions on this wireless connection.

Current TX Power

Cisco Compatible Extensions Power Levels.

Supported Power 1.0, 5.0, 20.0, 31.6, 50.1 mW

Levels

Access Point MAC The Media Access Control (MAC) address for the associated access point.

Address

Mandatory Access Displays None, if not enabled. If enabled, from the Mandatory Access Point setting, the access

Pointpoint MAC address is displayed. This option directs the wireless adapter to connect to an access point that uses a specific MAC address (48-bit 12 hexadecimal digits, for example, 00:06:25:0E:9D:84).

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Intel 3945ABG Signal Strength, Adapter MAC, Address Band, Supported Data, Rates, Radio Frequency, Channel Number, Network

3945ABG specifications

The Intel 3945ABG is a wireless networking adapter that played a significant role in advancing wireless connectivity in laptops and portable devices. Introduced in the mid-2000s, this adapter is notable for its dual-band capabilities and compliance with the IEEE 802.11 a/b/g standards. It supports both 2.4 GHz and 5 GHz frequency bands, enabling users to connect to a variety of wireless networks while offering improved performance and flexibility.

One of the standout features of the Intel 3945ABG is its support for MIMO technology, which stands for Multiple Input Multiple Output. This innovative technology enhances data transmission rates and increases the range of wireless connections by utilizing multiple antennas for sending and receiving data. MIMO allows the adapter to operate more efficiently in environments with obstacles, such as walls or furniture, making it an ideal choice for users who need reliable connectivity in varied settings.

The Intel 3945ABG adapter also includes Wi-Fi Protected Access (WPA) and WPA2 security protocols, ensuring that data transmitted over the wireless network remains secure. This is especially important in a time when wireless networks became progressively more vulnerable to unauthorized access and data breaches. The adapter's compatibility with these security standards aids users in establishing secure communications, whether for casual web browsing or sensitive tasks.

In terms of performance, the Intel 3945ABG offers maximum theoretical speeds of up to 54 Mbps in the 802.11a and 802.11g modes, while maintaining lower speeds in the 802.11b mode (up to 11 Mbps). In practical use, this means that users can achieve high data transfer rates in optimal conditions, making it suitable for video streaming, online gaming, and large file downloads.

The Intel 3945ABG also integrates seamlessly with Intel's Centrino mobile technology, which enhances power efficiency and optimizes the overall performance of a laptop. This synergy not only extends battery life but also provides a smooth user experience, as it allows the adapter to effectively manage network resources and maintain a stable connection.

In summary, the Intel 3945ABG wireless adapter is characterized by its dual-band support, MIMO technology, robust security features, and integration with Intel's Centrino technology. While it may now be considered outdated by modern standards, it served as an important stepping stone in the evolution of wireless networking technology and continues to be remembered for its contributions to mobile connectivity.