The BPF-2A Series from Crane Aerospace & Electronics is a Modulator with RF Frequency 10 to 2500 MHz, Carrier Suppression -40 to -30 dBc, Insertion Loss 2 to 6 dB, Amplitude Balance 0.20 to 1 dB, Current -15 to 15 mA. Tags: Flat Pack. More details for BPF-2A Series can be seen below.