The AE136H9874 from Anatech Electronics is a high pass filter with a passband from 136 MHz to 2000 MHz. The filter has an insertion loss of less than 1 dB, return loss over 14 dB with rejection of more than 50 dB. It can handle up to 50 W of power and is matched to 50 Ohms. The AE136H9874 is available with Type N female connectors in a module that measures 3.82 x 2.00 x 1.50 inches.