This unit is a Low Noise Amplifier and a Block Downconverter (Int/Ex Ref) for use in C-Band VSAT remote RF Terminals Model RF Frequency Local Frequency Local Stability IF Frequency IF Connector NJS8476EN 3.40 to 4.20 GHz 5.15 GHz Depends on Ext. Ref. 950 to 1,750 MHz N-Type