Answer Posted / vipul agarwal
bts cabinet is divided in two types
1. ultra bts
2. flexi bts
in ultra bts we use trx cards and in 444 configuration we use 12 trx cards i.e 4 trx cards per sector.
in flexi bts we use dtrx cards and in 444 configuration we use 6 dtrx cards i.e 2 dtrx cards per sector
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