The N042450B from Microwave Circuits is a Notch Filter with a stopband from 2400 to 2500 MHz with a rejection of 45 dB. It has passbands from DC to 2300 MHz and 2600 to 18000 MHz with an insertion loss of less than 3 dB. The filter can handle up to 2 W of input power and has a VSWR of less than 2:1. It is available in a module that measures 3.75 x 1.00 x 1.00 inches with N-Type male/female connectors.