The MP8A3950F500NCA from Sainty-Tech Communications Limited is a Band Pass Filter with Frequency 3700 to 4200 MHz, Bandwidth 500 MHz, Center Frequency 3950 MHz, Insertion Loss 1.9 dB, Upper Rejection 15 to 50 dB. Tags: Surface Mount, Monoblock Filter, Dielectric Filter. More details for MP8A3950F500NCA can be seen below.