Amazon.com: Kadimendium OCXO 10MHz Frequency Standard Reference Module Crystal Oscillator Constant Temperature Board OCXO Frequency Reference Source Board : Industrial & Scientific
Amazon.com: OCXO 10MHz Frequency Standard Reference Module, Frequency Reference Signal Source, Crystal Oscillator Constant Temperature Board Frequency Meter for Instrument Benchmarks : Industrial & Scientific
Crystal Quarz 10,24 MHz (10240,0 kHz) 30ppm case: HC-49U Passo 5mm : Amazon.it: Commercio, Industria e Scienza