Card reader coil	125 kHz RFID antenna induction	125 kHz RFID coil	RFID antenna coil
Magnet copper wire coil	Custom inductor motor coil	Dongguan supply inductance coi	Card reader coil
Head coil	Card reader coil	Rectangular induction coil	Coil and wire coil
Hollow coil of copper wire ind	Smart card reader coil