The ALT-5600-DBS-C from ETL Systems is a Test Loop Translator with Downlink Frequency 12200 to 12500 MHz, Uplink Frequency 17800 to 18100 MHz, LO Frequency 5600 MHz, Attenuation Adjustment Range 30 dB. Tags: Single Band. More details for ALT-5600-DBS-C can be seen below.