FEATURES 

• Stepwise attenuating by circumgyrated dial: attenuating step 0.05dB 
• Provide with the function of displaying dB and dBm attenuating value 
• 10 minutes Auto-off function can be activate and deactivate with keypad operation. 
• After off the instruments, the system will have the memorizing of the attenuating value and the attenuating step, in order to restore the system back to the previous shut down state when open the instruments next time 
• Portable, rugged, lightweight; Easy to use