The ALT-2225C from ETL Systems is a Test Loop Translator that is designed to replace the satellite link for the test and alignment of earth station systems operating in the C-band frequency. This test loop translator has an input frequency range of 5845-6425 MHz and an output frequency range of 3620-4200 MHz. It has an LO frequency of 2225 MHz and an impedance of 50 Ohms. The test loop translator has an input and output VSWR of 1.8:1 and a minimum attenuation range of 30 dB. It has a phase noise of up to -132 dBc/Hz and a spurious of -50 dBc. The ALT-2225C supports SMA female connectors and measures 19 x 13.5 inches.