what is sdh?

11 Answers   Bhel,

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What do you mean by electronics? How is it different from electrical?

0 Answers   HPCL, Hughes Systique Corporation,

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idea uses the 1800mhz band with alloted 4.4mhz bandwidth. this band is divided into 22 channel(up link).how will operator divides these channel in to traffic channel and control channel. explain

0 Answers   Idea,

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In a binary data sequence, the duration of symbol 0 or 1 is 1ms. If a carrier of freq 4khz is used in ask, what is the minimum transmission bandwidth required? What is min bandwidth?

0 Answers  

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what is the differences between voltage and current controlled devices?

0 Answers  

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Is there any sectional cutoff and upper cutoff in the Test Pattern for the Airports Authority of India?

1 Answers   TCS,

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May want to know about OSI model 7 Layer 1 2 3 Layers of the most

1 Answers   Infosys,

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What are the advantages and disadvantages of bcd?

0 Answers  

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What is Pabx and epabx and what its use?

6 Answers   Reliance,

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What is difference between fixed-bias circuit & self-bias circuit?

0 Answers  

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Tell me why 440 volts instead of 660 volts in 3 phases of supply system?

0 Answers  

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Q.1. What do you mean by FDMA? Explain in details. Q.2. What are active & passive elements in BTS? Q.3. Name the equipments required for 2+2+2. Q.4. What is the function of BB2F card? Q.5. What is the function of BOI card? Q.6. Which modulation we use in case of GPRS? Q.7. Which slot is reserved for GPRS? Q.8. What is the height of BTS? Q.9. What is the height of ESMA card? Q.10. How many maximum slots we can use in ESMA card? Q.11. We use PSWA card in which case? Q.12. We use PSWB card in which case? Q.13. How many types of Transmission cards are in Ultra BTS? Q.14. How many types of Transmission cards are in Flexi BTS? Q.15. What will happen if we change the polarity of microwave antenna? Q.16. What is the full form of ARFCN? Q.17. What is the function of TRAU? Q.18. Explain the structure of entire GSM. Q.19. Explain the configuration of 4+4+4. Q.20. Which type of connector we use in FIFA card? Q.21. Which type of connector we use at the end of GSM antenna/ Q.22. What are the different types of GSM antenna? Q.23. What do you mean by Splitter? Q.24. Convert the 16 W power into dBm. Q.25. Explain the different steps of Commissioning. Q.26. What do you mean by protection loop? Q.27. What is the correct way of weather proofing? Q.28. Can we use 7GC instead of 15GC? Q.29. What is the function of Duplexer? Q.30. What are the different elements of MSC? Q.31. Write the total description of Ultra Commissioning.

0 Answers   Nokia,

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