Thanks for reply.
I really have 2xE1 on BTS and I would like to configure 3 sector configuration (4 TRX in each one) when one will use only TXDB TRX for 1800 and other 2 only TXGB for EGSM-900. Or vice versa 1 sector with 900 and 2 sectors with 1800. What d’you think about it?
BTW, do you think it is possible to place one of the sectors in mixed configuration? 2×900 on first baseband (first one is BCCH carrier) and 2 additional in 1800. Theoretically it’s possible to place multi-band in cell allocation and I know Ericsson allow this configuration. What’s about Nokia?