variable optical attenuator with 135 db noise

{"cid":"91204674","title":"Continuously Adjustable Optical Attenuator With Large Dynamic Attenuation Range","imgUrl":"https:\/\/img.chinax.com\/nimg\/22\/b0\/d1f74a7c2140674c37888dc9e47e-200x200-1.jpg","attrs":{"Price":"negotiate a price","Brand Name":"YOUCii","Model Number":"U8310A","Minimum Order Quantity":"1pcs","Delivery Time":"20 work days","Place of Origin":"CHINA","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union,MoneyGram","Certification":"CU,IOS","Supply Ability":"20 pcs+per month","Packaging Details":"Carton","Optional Wavelength":"1305\/1308","Output Power":"\u226510.0mW","Bandwidth@3 dB":"\uff1c 0.1 nm","Bandwidth@20 dB":"\uff1c 0.5 nm","Operation Temperature":"0\uff5e +40 \u2103","SMSR":"\uff1e 45 dB\uff081270nm etc.\uff09"}}