Wireless Security Standards
remote systems were developing at a huge pace. Individuals saw the potential in this kind of information transmission, accordingly 802.11 successors were appearing, couple of years after each other. The accompanying table compresses the current 802.11 models that are utilized as a part of our circumstances −
Standard Frequency Max speed
802.11 2.4 GHz 2 Mbps
802.11a 5 GHz 54 Mbps
802.11b 2.4 GHz 11 Mbps
802.11g 2.4 GHz 54 Mbps
802.11n 2.4 or 5 GHz 600 Mbps
802.11ac 5 GHz 1 Gbps
As should be obvious, Wi-Fi systems are ending up speedier and quicker. Following are several constraining components why we don't see high speeds when we download information over Wi-Fi −
There is a distinction between the speed and genuine s all through. Since remote correspondence is half-duplex (single radio wire can either transmit or get at one time), the genuine throughput is very half of the speed. This condition is just valid, when there is one transmitter and one collector, with no different customers included, and without impedance's (that prompts impacts and retransmission's).
The most front line gauges (802.11ac) are not that generally upheld on end-gadgets. The greater part of the portable PCs or cell phones available offers help for 802.11a/b/g/n, yet not yet for 802.11ac standard. Notwithstanding that, a few gadgets are furnished just with recieving wire, that backings 2,4 GHz recurrence band, yet not 5 GHz (that prompt absence of 802.11ac help naturally).