... .000MHz~6.999MHz50MaxFundamental/ATDimensionCertifications WTL Company ProfileWTL is professionally offering quartz crystals, filters, resonators, oscillators, TCXO, VCXO, SAW device, following is ... product list:-HC49 series (HC49U/HC49S/HC49SMD, 49SMD 4pads)-SMD crystal 4 pads (7*5mm, 6*3.5mm, 5*3.2mm ... .5mm, 5*3.2mm,3.2*2.5mm) -Watch crystal / cylinder crystal/ tuning fork(2*6mm,3*8mm,2*6mm frog type ...