The Band pass filter from Anatech Electronics has a central frequency of 840 MHz. It has a pass band from 837.9 MHz to 842.1 MHz. The filter has an insertion loss of less than 6.5 dB, return loss of more than 14 dB and rejection of more than 15 dBc at 831 MHz. It can handle up to 1 W of power and is matched to 50 Ohms. It is available in SMT package and measures 26 x 17 x 7.5 mm.