The Series IA from Ultra is a Down Converter with RF Frequency 2 to 18 GHz, IF Frequency 100 to 1100 MHz, 2100 to 3100 MHz, Conversion Gain 30 dB, Phase noise -130 to -65 dBc/Hz (SSB), P1dB 17 dBm. Tags: Rack Mount. More details for Series IA can be seen below.