Hi,
I am looking for a ultrasonic sensor/actuator couple which is in the
position to transfer  signals in air about 100 m. Does anybody knows
a supplier for such devices.

With kind regards
Dirk Zielke
Dirk Zielke
GEMAC mbH
Matthesstrasse 53
09113 Chemnitz
Germany
Tel.: +49 371 3377 131
Fax.: +49 371 3377 272
email: [email protected]
http://gemac.c.ntg.de (Deutsch)
http://gemac.c.ntg.de/mst_eng.htm (English)