Type Adjustable Attenuator Model Number SJ-BX 0-20DB Place of Origin Guangdong, China Impedance 75 Ohms Knob Color Blue Operating Frequency 0~1000MHz Adjustable Range 0~20dB Insertion Loss â¤0.5dB Packaging and delivery Selling Units: Single item Single package size: 20X14X4 cm Single gross weight: 0.008 kg