The NPX820-59A1 from MCV microwave is a band reject filter with a reject frequency range from 791 to 850 MHz and passband frequency range from DC to 787 MHz. This filter has a center reject frequency of 820 MHz and an attenuation of 15 dB in the reject band. It has an insertion loss of 1.5 dB and return loss of 10 dB in passband. The filter can handle up to 1 Watt of power and can operate at a temperature from -10 to 55 degrees. It is available in a module that measures 33.0 x 17.0 x 9.0 mm.