The JFCB0606T0678NF from JQL Electronics is a Cavity Bandpass Filter with a passband from 606 to 678 MHz. It has a passband insertion loss of less than 0.8 dB and provides out-of-band rejection of more than 55 dB. This cavity filter is very stable over an operating temperature range from -20° to +65 °C. It is available in a module that measures 51 x 30 mm and has N-type (female) &SMP (male) connectors.