The ALT-16350-DBS-F from ETL Systems is a Test Loop Translator with Downlink Frequency 950 to 2050 MHz, Uplink Frequency 17300 to 18400 MHz, LO Frequency 16350 MHz, Attenuation Adjustment Range 30 dB. Tags: Single Band. More details for ALT-16350-DBS-F can be seen below.