These crystals are compatible with most popular JR radios and receivers.

Compatible with both PCM and FM systems. All JR are Dual Conversion. These are for 72Mhz (aircraft) frequencies.

Crystal sets come with (1) Transmitter and (1) Receiver crystal.

Not all JR crystals are in stock, some are special order, and may take a week or more to arrive. If you see the ‘In stock’ tag below, then you can be assured it will ship immediately.