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CDU and RBS Types in Ericsson

ivandgreat - 28th February 2007  (09:36 GMT)

Whats the difference between RBS3202 and RBS3206? Can anyone help me about Ericsson WCDMA. Thanks a lot !!!

kenneth - 15th February 2007  (21:59 GMT)

RBS2202 can be maximized up to 6+6+6.. 1 cabinet per sector

Sharif - 1st May 2006  (12:12 GMT)

How can i know the total structure of GSM.

Pavel - 21st April 2006  (21:34 GMT)

Adittionaly(fom official E/// info):

CDU - Combining and Distribution Unit
The CDU is the interface between the transceivers and the antenna system.
All signals are filtered before transmission and after reception by means of
bandpass filters. The CDU allows several dTRUs to share antennas. There
are a maximum of three CDUs in one RBS 2106.
The CDU combines transmitted signals from several transceivers, and
distributes the received signal to several transceivers. The CDU is
hardware-prepared to support EDGE. Two different CDU types are used in the
RBS 2106 to support all configurations:
CDU-F is a filter combiner intended for high capacity solutions.
CDU-G can be configured either for high capacity or for high coverage. It is
a combiner that can be used for synthesizer hopping.
Number of units: 1 - 3

Pavel - 21st April 2006  (21:29 GMT)

2202 - is a small capacity indoor RBS with maximum configuration 2+2+2. In case of adittional cabinet in can be extended up to 4+4+4.
2206 - large capacity RBS with maximum 4+4+4 configration in standart cabinet.
As I know -2202 is quite old version of RBS2000 series. 2206- is newer one.
Differents of all CDU types is maximum output power per TRU.
Difference between TRU and dTRU, is that dTRU -is duplex TRU. Actually it is 2xTRX in one TRU.

karma wangchuk - 20th April 2006  (10:23 GMT)

What was the different between RBS 2202 and 2206?Apart can you tell me
different types of CDU and their usage.and also why -ve voltage is a
nominal voltage in the communicatiion?and what is the different between TRU and DTRU? with this message hpoe you will send detail of above mention.and i will be expacting you that you will send details that i have mention above...

Erkan Okay - 7th April 2006  (21:26 GMT)

Thanks a lot for the update, weber! I guess you speak Turkish or you are Turkish. Which one?

weber - 7th April 2006  (21:21 GMT)

Hi Erkan Bey,

Now-a-days we are using mostly RBS2206. With CDU-G, CDU-F..

Other than that we have WCDMA RBS3202 or RBS3206.

Hope this helps,


Erkan Okay - 7th April 2006  (20:59 GMT)


In ancient times (circa 2000) I used to work with Ericsson BSS. There were three CDU types: CDU-A, CDU-C and CDU-C+. There were RBS 200 and RBS 2000 family. Now I'd be more than happy if somebody updates me with the new BTS types and CDU types.

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