Hi davinder
In Nokia BTS
TSGA-normal trx G for GSM 900
TSGB- TRX with EDGE 900 mhz
TSDA-normal trx for DCS 1800
TSDB-TRX with edge tech 1800 mhz
BB2A-base band card for normal TRX
BB2F/E-FOR EDGE TRX
M2LA-MULICOUPLER WORKS AS SPILITTER IN Rx PATH
DVGA-DUPLEXOR WE REQUIRE THIS IF WE USE COMMON PATH FOR BOTH Tx AND Rx AS GEN. WE DO
WCGA-WIDE BAND COMBINER- TO COMBINE THE Tx FOR TRANS. FROM SINGLE DUPLEXOR.
RRI AND E1/T1-ARE TRANSMISSION CARDS FOR Abis CONNECTIVITY WITH BSC.
BOI- HEART OF BTS, SOFTWARE RESIDES IN TO THIS ONLY ALL SAVED CONFIGURATION RESIDES IN TO THIS EXCEPT TRANSMISSION RELATED BECAUSE ALL THE TRANSMISSION RELATED PARAMETER ARE SAVED IN ITS TRANSMISSION UNIT i.e. RRI OR E1/T1