lol i dun see how the proximity of the locations to the m1 hq and m1 shop has any relation with the network.
M1BB has never disconnected people. Just connection freeze in the past, now it's periodic sluggishness (on certain days). Not sure what the cause is but I really hope the technical team can sort it out.
I wonder whether M1 forces at least one of their tech guys to use their own mobile broadband to be sure there's nothing wrong.