The BTG-2B-500 from Crane Aerospace & Electronics is a Modulator with RF Frequency 10 to 1000 MHz, Voltage 5 V, Carrier Suppression -25 dBc, Insertion Loss 2 to 4 dB, Amplitude Balance 0.20 to 0.5 dB. Tags: Surface Mount. More details for BTG-2B-500 can be seen below.