Red represents the best signal levels, and blue represents the worst. After performing a site survey in NetSpot, the results are displayed as a heatmap. Heatmap – A heatmap is a map with an overlay of colors representing different values.Download Speed – Download speed is the rate that information can be downloaded from the Internet to a device connected to the network.Discover Mode – This mode allows users to take a quick survey of surrounding networks from one location, without having to do a full survey.For example, dBm indicates a reference level of one milliwatt. The decibel symbol is often qualified with a suffix, that indicates which reference quantity or frequency weighting function has been used. NetSpot uses decibels to measure the Wi-Fi signal levels and other radio waves ( noise) present during a scan. Decibel (dB) – A decibel is a unit used to measure the intensity of an electrical signal.Each data point provides critical information about the Wi-Fi signals and noise present in that location. These points are also called measurements or sample points. Data Point – When performing a NetSpot Site Survey, each time you stop and click on the map to take a scan, you are creating a data point.NetSpot allows you to view your scan results by channel, so that you can determine which have the least interference. For example, the United States uses channels 1, 6 and 11 in the 2.4 GHz band. Each country allows certain channels within each band to be used for wireless networks. Some wireless protocols (802.11b and 802.11g) use the 2.4 GHz band, while 802.11a uses the 5 GHz band and 802.11n uses both. Channel – A wireless network uses radio signals and those signals can only be broadcast on certain bands and channels.The most commons wireless bands are 2.4 GHz and 5 GHz. Band – A wireless network transmits radio signals on certain ranges of frequencies, called bands.NetSpot scans are able to detect and display all network identities present within a given area. SSID stands for Service Set Identifier and the “B” and “E” versions stand for “Basic” (MAC address of the Station in an Access Point) and “Extended” (the identifying name of a wireless network) respectively. SSID, BSSID & ESSID – These acronyms all describe wireless network identities (names).Please note that the NetSpot drawing feature is only available in the macOS version. Area maps can be loaded into NetSpot from a scanner or outside drawing program, or the map can be drawn right in NetSpot, using its map-drawing function. The map must be drawn to scale in order for the scan to be accurate. ![]() The map should be a floorplan of the area, with all interior walls and other barriers marked. Area Map – Each NetSpot site survey is based on a map of the location you wish to scan.NetSpot can scan an area and identify the quantity and strength of all access points within range. It acts as an antenna, transmitting and receiving wireless signals and relaying them to the network. AP (Access Point) – A wireless access point (also called a WAP or hotspot) is a device (such as a wireless router) that allows other wireless devices (such as a computer) to connect to a local area network using radio waves instead of wires.NetSpot works with all standard 802.11a/b/g/n/ac wireless cards. To check your card type, hold down the Option (⌥) key, click on the Apple menu, select System Information, and then select WiFi under Network. This is what allows your laptop to connect to a wireless network. ![]()
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