Do you mean slaved devices? If your master device is the one making the defense rolls, only it - and you - needs to go Full Matrix Defense. Normal Full Defense would apply for remote controlled drones maybe? I don't think you can Control Device multiple drones or turrets. So if you're controlling one, you'd probably do Evasive Driving (+INT).
Acording to the Control Device action (p 238): "You can use this action to control multiple devices at once. If you are the owner of all devices being commanded and they are all being commanded to do exactly the same thing"
There is a discursion about it in this topic:
http://forums.shadowruntabletop.com/index.php?topic=14211.0I think most of the time you won't use the Driving rules for a drone, I would only use it if the drone was using it's speed enough for me to call it "driving", otherwise a lot of weird situations would arise: a drone standing still doing evasive driving, or a jumped in rigger spending a complex action every turn or the Drone is considered uncontrolled. But the rules are not clear about it (I'm also not entire sure a drone is considered a vehicle)
Adding two more question to the FAQ:
Pag 267 says that whenever a slaved device is called on to make a defense test, it uses either its own or its master’s Rating for each Rating in the test., that is true only against matrix actions or any defense test?
When a drones slaved to an RCC, in Autopilot, goes Full Matrix Defense, does it use my willpower or his device rating to his defense bonus?