AllTelecom

 Features: 
● Up to 80 dB Attenuation 
● Built in Output Power Monitor 
● Typical Insertion Loss <2dB (40dB Model) 
● Adjustable step sizes 
● USB PC Interface W/Remote Operation 
● Absolute/Relative Attenuation Settings 
● Calibrated at 1310/1550 
● Sealed Rugged Case 
● Lowest Cost Hand Held VOA 
● 4” Color Display