try someone who i haven't heard from in this group for a while:
http://www.fractenna.com/

"erdem" wrote in message
m...
I am looking for microstrip antennas that work around 400Mhz, and can
fit into a key chain. What I heard is; car starters, lockers all have
these kind of antennas, but I cannot find any place who sells these
things. Could you guys help?

Thanks,
Adam