1.What is the difference between Diplexer and Duplexer and
what position?
2. What is the different between CDU C and CDU A
3. How do you link a T1 from the 1st BTS to 2nd BTS
4. What is the value for TEI 1st T1?
5. What is the SSI?

Answers were Sorted based on User's Feedback



1.What is the difference between Diplexer and Duplexer and what position? 2. What is the differen..

Answer / sahani.santosh@gmail.com

1.diplexer is used if we want to use same antenna line[feeder] for two different type of waves.like using same feeder for gsm n cdma transmission to gsm..even if to physically separateed antennas are there only a set of feeder will be required DUPLEXER is used if we want same antenna to transmit n receive..instead of using two separate ones..
3.There r so many ways o transfering E1/t1 FROM ONE BTS TO ANOTHER..used twisted pair cable w E1T1 card or RRI w in use but power off ..so many ways..
4.SS7 is the protocol used for transmissin of non voice dats transfer[signalling ],that r used for call setup etc

Is This Answer Correct ?    16 Yes 4 No

1.What is the difference between Diplexer and Duplexer and what position? 2. What is the differen..

Answer / ahalya inturi

value for T1
1.544

Is This Answer Correct ?    7 Yes 2 No

1.What is the difference between Diplexer and Duplexer and what position? 2. What is the differen..

Answer / farhan chaudhry

What is the difference between Diplexer and Duplexer and
what position?
Used for separating sending and receiving signals to/from
antenna.

What is the different between CDU C and CDU A
CDU A uses filter combiner and c uses hybrid

Is This Answer Correct ?    19 Yes 16 No

Post New Answer

More GSM Interview Questions

What is base band frequency hopping in gsm technology?

0 Answers  


Explain about lte and gsm internetworking.?

0 Answers  


1.What is the difference between Diplexer and Duplexer and what position? 2. What is the different between CDU C and CDU A 3. How do you link a T1 from the 1st BTS to 2nd BTS 4. What is the value for TEI 1st T1? 5. What is the SSI?

3 Answers   Ericsson,


Do you know what is telecom regulatory body of india?

0 Answers  


Explain tmsi?

0 Answers  






What is imsi in gsm technology?

0 Answers  


Which is the digital modulation used today in telecom?

0 Answers  


What are the services offered by gsm technology?

0 Answers  


Explain what is the relation between rxlev [0 to 63] and rxlev [-110 to -47]?

0 Answers  


What do location area mean? Why do we need them?

0 Answers  


Do you know what is gsm technology?

0 Answers  


Explain channel coding?

0 Answers  


Categories