echo loss tester with 0 2db accuracy

{"cid":"91204674","title":"Absolute Power Measurement Accuracy Is \u00b10.2dB, Echo Loss Tester","imgUrl":"https:\/\/img.chinax.com\/nimg\/cf\/8f\/5984e70c1f49058903b1b4a5724d-200x200-1.jpg","attrs":{"Price":"Negotiate price","Brand Name":"YOUCii","Model Number":"U8523","Minimum Order Quantity":"1","Delivery Time":"20 work days","Place of Origin":"CHINA","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"15pcs \/ month","Packaging Details":"Paper Box","Operation Wavelength Range":"1310 \/ 1550 Nm","Application Fiber Type":"Standard SM","Weight":"3.5 Kg","Recalibration Period":"2 Years","Power Range":"+ 5 ~ -70 DBm","Return Loss Range":"0~60 DB","Sensor Element":"InGaAs","Power":"100 ~ 240 V AC"}}