The ALT-16350-DBS-B from ETL Systems is a Test Loop Translator with Downlink Frequency 950 to 1750 MHz, Uplink Frequency 17300 to 18100 MHz, LO Frequency 16350 MHz, Attenuation Adjustment Range 30 dB. Tags: Single Band. More details for ALT-16350-DBS-B can be seen below.