The Par UHFDN450 notches out intermod on the 440 band. It can handle up to 50 watts of power.
Maximum Notch Depth: 35 dB.
2 m/70 cm V.S.W.R: 1.4:1.
2 m Ins. Loss: 0.2 dB
70 cm Ins. Loss: 0.8 dB
SO-239 input and output.
Size: 2 x 1 x 2.5 inches. Made in the U.S.A.