Hitachi BTN1 Owner's Manual page 6

Declaration of Conformity
This device complies with part 15 of the FCC Rules. Operation is subject
to the following two conditions: (1) This device may not cause harmful
interference and (2) This device must accept any interference received,
including interference that may cause undesired operation. For questions
regarding this declaration, contact:
6
Hitachi America, Ltd.
2420 Fenton Street, Suite 200
Chula Vista, CA 91914-3556
Tel: 800.HITACHI (800.448.2244)
ATTN: Customer Relations