802.11g is one of the standards used for high speed wireless networks, commonly known as Wifi. This standard was created by the IEEE (Institute of Electrical and Electronics Engineers) in June of 2003 and uses a 2.4 to 2.5 gigahertz radio frequency to send and receive data from one device to another. There are several …
Intersymbol interference is a signal distortion in telecommunication. One or more symbols can interfere with other symbols causing noise or a less reliable signal. The main causes of intersymbol interference are multipath propagation or non-linear frequency in channels. This has the effect of a blur or mixture of symbols, which can reduce signal clarity. If …
Over the past decade, wireless network use has grown from just something done in computer science departments at universities to something done in the home, restaurants, and just about anywhere. SSID (Service Set Identifier) is the term that describes the wireless network name. It distinguishes between networks that may be in range of a device …
A Rogue Access Point is a Wi-Fi Access Point which is setup by an attacker for the purpose of sniffing wireless network traffic. 802.11 (Wi-Fi) utilizes SSIDs (Service Set IDentifiers) to authenticate NICs to wireless access points. There is no similar protocol for authenticating wireless access points. It is possible to place a rogue wireless …
A USB WiFi antenna is a device that provides a computer with access to the Internet when in range of a WiFi access point. It also refers to a USB-based wireless adapter that also provides a computer with Internet access but connects to specific wireless routers rather than public WiFi access points. USB WiFi antennas …
A wireless network key is an encryption key for that prevents unauthorized users from accessing a specific wireless network. The user creates wireless network keys, which either a wireless router or a computer that is connected to that wireless router can manage. Wireless network keys can be any length greater than eight characters and can …
Changing WEP to WPA is a great way to increase a wireless network’s security. These are the two main types of protection available through modern wireless routers: WEP or Wired Equivalent Privacy is a security algorithm that wireless networks use. Hackers can break into wireless networks using WEP very easily with simple software that is …
MAC Address filtering is a technique that is implemented on many wireless networks to filter which devices are able to connect to the wireless network. MAC Address filtering allows an administrator to allow specific devices to connect to the network while blocking all other devices. MAC Address filtering is a free service provided by most …
Netgear routers are some of the most popular routers in the world, providing both residential and commercial users with wireless networks that are accessible from a wide variety of mobile devices such as laptops, tablets, smartphones, and even desktop computers that are outfitted with a wireless adapter (which Netgear also sells). Netgear routers are available …
Cell phone text messages typically use the SMS (Short Message Service) protocol. Most cellular service providers charge fees to send and receive text messages. There are numerous ways to send text messages for free, but they vary among cell service providers. Send Free Text Messages by Purchasing the Right Service Plan Some cell service plans …