Módulo TCXO de alta estabilidad compatible TCXO-9 YAESU FT817/857/897 (ajuste superior)
This is a TCXO for Yaesu FT-817/857/897 high stability crystal module. Top Adjust! the adjust hole on the top of side. Stability：0.1ppm. found the original crystal oscillator,pull it out,then replace it.