Reply To: Huawei flex abis/fix abis ,which better? 25th July 2015 at 03:36 #68851 venkatGuest 1.In Huawei 2G BTS3012_II/BTS3012AE which is the better option, for a 2 E1 site? 2.In flex mode bts assign less no of TCHF,how to increase MAX no of TCHF