Módulo TCXO de cristal de alta estabilidad YAESU FT-817/857/897 PARA TCXO-9 compatible
This is a TCXO for yaesu FT-817/857/897 high stability crystal module. Stability：0.1ppm. found the original crystal oscillator,pull it out,then replace it. Turn off the radio,then open the top cover of the RADIO.