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smaller, simpler, cheaper antennas – 2.4 GHz antennas have less than half the size of comparable-strength 900 MHz antennas and require less lightning protection; availability of proven free software like OpenWrt , DD-WRT , Tomato that works even on old routers ( WRT54G , for instance) and makes modes like WDS , OLSR , etc., available to ...
This is a list of countries by Internet connection speed for average and median data transfer rates for Internet access by end-users. The difference between average and median speeds is the way individual measurements are aggregated.
where is the angle between the antenna axis and the vector to the observation point, is the peak current at the feed-point, = / is the permittivity of free-space, = / is the speed of light in vacuum, and is the distance to the antenna in meters. When the antenna is viewed broadside (= /) the electric field is maximum and given by
Inevitably some antennas won't conveniently fit into any one basic type, so the last section on real antennas is an "everything else" category for a few peculiar antennas that don't fit cleanly into any of the categories or subcategories used in this article; for example, random wire antennas and antennas that are laid down on the ground ...
In actuality, a 64 kilobyte file is 64 × 1,024 × 8 bits in size and the 64 k circuit will transmit bits at a rate of 64 × 1,000 bit/s, so the amount of time taken to transmit a 64 kilobyte file over the 64 k circuit will be at least (64 × 1,024 × 8)/(64 × 1,000) seconds, which works out to be 8.192 seconds.
A link budget is an accounting of all of the power gains and losses that a communication signal experiences in a telecommunication system; from a transmitter, through a communication medium such as radio waves, cable, waveguide, or optical fiber, to the receiver.
Three people were indicted for an identity theft conspiracy that allegedly included the $400 million hack from FTX on the same day in November 2022 that the doomed cryptocurrency exchange filed ...
A prominent aspect of 802.11ah is the behavior of stations that are grouped to minimize contention on the air media, use relay to extend their reach, use little power thanks to predefined wake/doze periods, are still able to send data at high speed under some negotiated conditions and use sectored antennas.