====== 2.4Khz Filter 48034 ====== {{:omni_filter.jpg|}} This is the stock 2.4Khz, 8-pole filter in the 9Mhz i.f. of the Omni C. It is located under the optional filter board and is accessed by unscrewing the optional filter board and then removing the aluminum shield underneath that. The 48034 filter is plug-in (not soldered in) and secured with screws.