new and high quality Made of high quality materials, sturdy and 6G digital programmable attenuator 30DB step size 0.25 RF module Working frequency:LF-6GHz Attenuation adjustment range:0-31.75dB Attenuation step size:0.25 (dB) Insertion loss:less than equal 1.5dB (high frequency side insertion be larger) Standing wave ratio:less than equal 1.4 Attenuation accuracy:±0.25dB Max Rated power:less than equal 1W Connector form:SMA (female, female threaded hole) Temperature range:-10℃-+50℃ (operation), -40℃-+70℃(not operating) Size:55x40x16.5mm (excluding SMA interface protruding part, SMA protruding part 9mm) Weight:. 57 grams Input and output impedance:50 ohms Note:Due to different production batches, there are differences in color, which does not affect use. Colour:Green Material:Plastic+Metal Package Contents: 1 * Digital Process Optic Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.