$6.95 flat rate shipping!
AF4K Crystals will supply ready-to-use crystals for ham radio and electronic hobbyist projects.

Our contact information

By email: orders@af4k-crystals.com

orders@af4k-crystals.com

Flat rate shipping to USA only at this time. For international shipping please click the link below to send an email inquiry.

Our practice is to test each crystal in several different types of oscillators. The finished crystal is subjected to mechanical stress and vibration, then tested again. The test oscillators have a frequency counter and an oscilloscope monitoring their outputs to display both frequency and the activity level of the crystal.

Defective items will be replaced at no charge.

No guarantees are made as to suitability for use in any particular project or device.