Well, I do not like the direct connected it makes little sense for me that a device several kilometers away will have no noise. So for that specific host the rule does not apply, if anyone feels strongly about it I'll plan future encounters closer to RAW.
Jamming seems to me like something that effects the physical world, so it effects any signal that is exposed to it. Direct connection is not effected but anything wireless is effected by jamming. So I want jamming to effect anything in the area including multiple overlapping grids.
@Stut
The building is not in a host, the RCC you are looking for is logically in the host but physically in the building. Kind of like we have VPN today.