C. Crane Twin Coil Ferrite - Manual (Page 16)

Model: TWIN COIL FERRITE ™ AM ANTENNA BY C. CRANE
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.
Notice: The changes or modifications not expressly approved by the party
responsible for compliance could void the user’s authority to
operate the equipment.
381C15SA