931985

The 931985 from Knowles Precision Devices is a Cavity Bandpass Filter with a passband from 17255 to 18585 MHz and a center frequency of 17920 MHz. It has a passband insertion loss of less than 1 dBa and provides an out-of-band rejection of more than 35 dBc. This bandpass filter has a return loss of 16 dB and can operate over a temperature of -20 to +70°C. It is available in a module that measures 1.56 x 0.50 x 0.50 inches and has field-replaceable SMA (female) connectors. This filter is an ideal choice for integration in low-noise receiver front ends with the antenna and pre-amplifiers.