More permanent than a van. (Not that unusual for an embassy to be spied on!) It might have something to do with the IMSI catcher installed more or less across

More permanent than a van. (Not that unusual for an embassy to be spied on!) It might have something to do with the IMSI catcher installed more or less across the road; hard to hide those, they broadcast, and that one is not particularly trying to be stealthy.