Item Type: RF Programmable Attenuator_x000D_Operating Frequency Range: 1 ~ 3800MHz_x000D_Input Signal Maximum Power: 20dBm_x000D_Attenuation Range and Step: Attenuation range from 0~31dB, step size is 1dB_x000D_Insertion Loss: Less than 2.0dB_x000D_Attenuation Control: Press OK key, press + after the attenuation digit blinks, - key to control actual addition or subtraction, press OK again to confirm_x000D_Input Output Impedance: 50_x000D_Power Supply: MiniUSB 5V_x000D_Input Output Interface: RP SMA interface 1ATTENUATION RANGE AND STEP SIZE: The RF programmable attenuator has a attenuation range of 0 to 31dB and a step size of 1dB 2FREQUENCY AND SIGNAL: The maximum working frequency range of RF attenuator is 1MHZ?3800MHz, and the maximum power of input signal is 20dBm 3WIDE APPLICABLE: Variable RF attenuator use universal RP SMA interface, suitable for a variety of instruments 4IMPEDANCE AND POWER SUPPLY: The input and output impedance of digital RF attenuator module is 50, and the power supply adopt miniUSB 5V 5RELIABLE PCB: Digital RF attenuator module adopt excellent PCB material, with high reliability and miniaturization, good maintenance and interchangeability 1 x RF Programmable Attenuator 1 xUSB Cable