0-HRC6717590 Hitec Transmitter Crystal channel 90 75.990 Mhz <p align="left"><font color="00ff66" size="2" face="Arial, Helvetica, sans-serif">These
crystals are compatible with most popular Hitec transmitters
and receivers. </font></p>
<p align="left"><font color="#CCCCCC" size="2" face="Arial, Helvetica, sans-serif">Most
crystals are in stock, but some are special order, and may take a
week or more to arrive. </font></p>