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Andriy Ilyashenko's image
Question added by Andriy Ilyashenko Technical Design Lead Actavo Group Limited
7 years ago

What is the difference between dB and dBm? Provide an example of usage.‎

Decibel (dB) and dB relative to a milliwatt (dBm)‎

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Asad Ali's image
Question added by Asad Ali Subject Specialist Allied Schools
8 years ago
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هاشم المشارقة's image
Question added by هاشم المشارقة Key Account Manager Advanced United Systems Ltd. ( A member of Taj Holding Group)
10 years ago

What is the diversity ? and why we use it ?‎

In communication system that use antenna we use something called diversity what is the purpose of this process ?‎

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هاشم المشارقة's image
Question added by هاشم المشارقة Key Account Manager Advanced United Systems Ltd. ( A member of Taj Holding Group)
10 years ago

Does waveguide can to carry data in two ways ?‎

Does one waveguide support a full-duplex connection mode ?‎

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هاشم المشارقة's image
Question added by هاشم المشارقة Key Account Manager Advanced United Systems Ltd. ( A member of Taj Holding Group)
10 years ago

Where we should use circular wave guide and where to use rectangular wave guide ?‎

There are two shapes of the wave guides rectangular and circular but where we should use each one ?‎

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yousouf tedjini's image
Question added by yousouf tedjini Technical Sales Engineer Optique Distribution Algerie
10 years ago

How can we calculate the scope of an antenna?‎

the relations between the dBi and the distance?‎

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neveen wadia hanna hanna's image
Question added by neveen wadia hanna hanna Technician Sales Support Engineer (Head office) EAST Company
10 years ago
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HAMMAD ASHRAF's image
Question added by HAMMAD ASHRAF marine radar and radio devices instructor maritime academy jeddah
8 years ago
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Waqar Ahmed's image  
Answer added by  Waqar Ahmed, ELV Technician, Umbrella Security
1 year ago

dB and dBm are both units of measurement used to express the power of a signal, but they are based on different reference points.

sardar mardookhy's image  
Answer added by  sardar mardookhy, PMP certified Project manager, MCCI
9 years ago

I hope I got the question, The waveguides carry the RF, and by those RF carriers can carry data or any information which are  modulated and transmit,