Amram: That seems an awful lot of money for a transmitter tray that you probably could fabricate yourself with some 1/4" ply, resin, and some aluminum standoff and bolts. You could use the picture they provide as a drawing then create a template to cut from and your TX box in place to put the remaining hardware. Just seems that after shipping and all, over $100 bucks (US) is a lot to pay. That's my opinion, may not be worth much.

DS.