Hi all
getting problem tch drop on 1 cell, 0-3 trx is 900 band and 4 -11 trx is 1800 when i locked 1800 trx cell corking fine and kpi 99% but when we unlocked 1800 trx incresing tch drop ,i checked frequency, antenna tilt ,antenna direction , no hardware alarm is ok but at site same tch drop problem
Pls suggest what to do