The 3600BP15M600 from Johanson Technology is a Ceramic Band Pass Filter with a passband from 3300 to 3900 MHz. It has an insertion loss of less than 1.8 dB and provides over 20 dB of rejection above and below the passband. This filter has a return loss of over 9.5 dB and can handle up to 3 Watts of input power while operating over a temperature range from -40 to 105 Degrees Celsius.
