Specifications:

• Wavelength Calibration: nm850,1300,1310,1490,1550,1625
• STMR: = 10dB;
• Quantity: 1PCS
• Place of origin: China
• Model Number: phone wire check portable test
• Brand Name: ZHWCOMM
• 1.4 environmental noise: 1.4 environmental noise: less than 60dB (A).
• 1.3 atmospheric pressure: 86 ~ 106kPa.
• 1.1 temperature: -10 to +40.