The SF2142G from Murata is a Band Pass Filter with Frequency 852.5 to 882.5 MHz, Bandwidth 15 MHz, Center Frequency 867.5 MHz, Insertion Loss 2.6 to 3.5 dB, Power 0.02 W. Tags: Surface Mount, Ceramic, Surface Mount, Ceramic Filter. More details for SF2142G can be seen below.