The AE200H9897 from Anatech Electronics is a high pass filter with a passband up to 425 MHz. The filter has an insertion loss of less than 1 dB, return loss over 19 dB with rejection of more than 50 dB. The AE200H9897 is available with RF pins connectors in a module that measures 0.75 x 0.44 x 0.31 inches.