TNC Male Connector is used in FIFA card.
2> SMB Connector is used in FIEA card.
3> RJ48c Connector is used in FIPA card.
here is two types of Tx card used in Flexi BTS
1.)FIFA
2.)FIPA
pwsb is known as power supply card and it is used for the power distribution to trx cards in case of ultra bts and dtrx cards in case of flexi bts