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802.11a is an IEEE standard used for transmission of data over a wireless network. The base version of these standards (802.11) came in 1997 with amendments released subsequently. Both 802.11a and 802.11b released in September 1999. 802.11a networks operate at radio frequencies b/w 5.725 and 5.850 GHz
The wireless technology uses means of communication which is an alternative to the traditional wired systems. Wireless systems use electromagnetic waves to transmit signals over the communication path. Types of Wireless Network Technologies are wifi, bluetooth, GPS, cellular network, Satellite TV, etc.
A wireless network is a computer network that does not rely on wires to establish the connection between network nodes. The wireless network is also called wireless local area networks (WLAN), and it operates on radio waves. Common examples of wireless networks are WLANs, mobile phone networks, etc.
Radio signals for communication pose a security risk as anyone can connect to the network and breach your security. To ensure the safety of your information, be it your Instagram passwords or transaction information, it is essential to have an encrypted wireless network. WEP, WPA and WPA2 are three different types of wireless encryption protocols.
A wireless access point, which is also known as Access Point (AP), is a small hardware device that connects a wired network (e.g. LAN) to wireless devices. The access point can be a standalone device that is connected to a router. WAP hardware consists of a radio transceiver, antennas & device firmware.