[FreedomCalls]

Dang. Just as I posted the other one, I found it in the Edmund catalog. Here it is.

Now, do you think such a thing could be mounted on an airliner, maybe under the nose?

I don't see why not. They are certainly small enough to go nearly anywhere.

[FreeKeys]

I found it in the Edmund catalog. Here it is.

Cool! Thanks! Now to get the info to Homeland Security or something...