The GS70 Series from GeoSync Microwave is a Block Downconverter with Input RF Frequency 250 MHz to 21.3 GHz, Output RF Frequency 3.4 to 4.2 GHz, LO Frequency 1.7 to 17.1 GHz, P1dB 10 to 15 dBm, Gain 35 to 41 dB. More details for GS70 Series can be seen below.