what is sdh,pdh?how exactly the call get connected?

8 Answers   Ericsson, Reliance,

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What is the relation between dB and change of signal?

4 Answers   Mobilkom,

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What is noise figure?

3 Answers  

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What Are the different filter types ?

4 Answers  

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8=56 7=42 6=30 5=20 3=?

1 Answers  

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Describe an impedance matching circuit?

2 Answers  

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What are mixers used for?

1 Answers  

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I am working on Nortel Meridian 81C PBX,Passport,Symposium Can anyone plese tell me website name on which I can get more information about this equipments

0 Answers  

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What is a superheterodyne receiver?

2 Answers  

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Describe circular polarization?

1 Answers  

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Describe VSWR?

12 Answers   Huawei,

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What= is the 911 point?

0 Answers  

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