Introduction: Pletronics was first established in Washington State, USA in 1979 to manufacture small footprint oscillators specifically for plastic molded parts. It later began manufacturing PECL and LVDS oscillators; In 2007, the development of low-cost OCXOs began, especially the frequency control solutions for FemtoCell and PicoCell, which began to develop specially built oscillators and VCXOs for the medical field. Pletronics' main products include clock oscillators TCXO / TCVCXO、VCXOOeXO ™/ OCXO, GPS module, USB driver, oscillator, test socket; Pletronics official website: www.pletronics.com.