The ALT-5600-DBS-A from ETL Systems is a Test Loop Translator with Downlink Frequency 11700 to 12200 MHz, Uplink Frequency 17300 to 17800 MHz, LO Frequency 5600 MHz, Attenuation Adjustment Range 30 dB. Tags: Single Band. More details for ALT-5600-DBS-A can be seen below.