The BTM-2A Series from Crane Aerospace & Electronics is a Modulator with RF Frequency 10 to 2500 MHz, Voltage 5 V, Carrier Suppression -40 to -30 dBc, Insertion Loss 2 to 6 dB, Amplitude Balance 0.20 to 1 dB. Tags: Module with Connectors. More details for BTM-2A Series can be seen below.