The AM4450B1239 from Anatech Electronics is a ceramic band pass filter with a pass band from 4400 MHz to 4500 MHz. It has an insertion loss of less than 3 dB and a rejection of more than 20 dB at 4150 & 4750 MHz. The filter can handle up to 2 W of power and has a VSWR of under 2.0:1. It is available in a surface mount package that measures 18.2 x 14 x 5 mm.
