Reply To: How to improve HO from 900 to 1800 band 1st October 2009 at 13:23 #59000 MayGuest Hi Bernard, is it a problem of ping pong HO between 900 and 1800? you can tray to increase the value of: DL_ZONE_HO_HYST to 14 UL_ZONE_HO_HYST to 14 the default value is 6