The AE10B11036 from Anatech Electronics is a LC Band Pass Filter that operates from 8 to 12 MHz. The filter has an insertion loss of less than 1 dB, a return loss of over 14 dB and an upper/lower rejection of 20 dB. It is available in a module that measures 2.50 x 1.12 x 0.75 inches with SMA female connectors.