Thursday, September 3, 2020

wlan technology

The developments open for use in a WLAN consolidate infrared, UHF (narrowband) and spread range use. 

1. Infrared Technology: 

I. Infrared is an impalpable band of radiation that exists at lower end of observable electromagnetic range. 

ii. There are two kinds of infrared WLAN courses of action: Direct shaft (or see) and diffused column (uses reflected pillars) 

iii. Direct bar WLANs offer speedier data rates while diffused shaft advancement achieves lower data rates in 1-2 Mbps expand. 

2. UHF Narrowband development: 

I. The repeat go is 430 to 470 MHZ and rarely divides in 800 MHZ run. The bit 430-450 MHZ is unlicensed while 450-470 MHZ band is approved. 

ii. The term restricted band is used considering the way that RF signal is sent in a tight band width, routinely 12.5 KHz or 25 KHz. 

iii. Power levels run from 1 to 2 Watts. The transmission detachments of this development is more than that open from 900 MHZ or 2.4 GHZ spread range structures. 

3. Spread Spectrum Technology: 

I. In this system, the entire administered bandwidth is shared instead of parceling it into vigilant private parts. 

ii. The spread range spreads the transmission authority over entire usable range. Thusly, anyway bandwidth capability decreases; constancy, dependability and security increase. 

iii. In business applications, spread range systems right currently offer data rates up to 2Mbps.

 also read : wlan technology


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