On Tue, 19 Jun 2007 05:15:48 -0700, eganders
wrote:

+++I am a consultant for an AVL (automatic vehicle location system)
+++system used by the Southeastern counties of Michigan. The system is
+++used on winter maintenance vehicles and works on 900 MHz. The
+++vehicles are often stored overnight in metal buildings where it is
+++difficult to obtain transceiver communication from the AVL system. Is
+++there a low cost (possibly passive) way to port 900 MHz radio
+++transmissions into these buildings?
+++
+++Thanks,
+++
+++Eric Anderson
**************

Yes. A large window facing the transmitter. Otherwise some form of
omnidirectional antenna outside connected to an antenna inside via a
trransmission line. Not very efficient but cheap and works if the
outside signal has enough power density.

james