The LRU-16901860-Ka from Atlantic Microwave is a Test Loop Translator with Downlink Frequency 17.7 to 21.2 GHz, Uplink Frequency 0.8 to 2.6 GHz, LO Frequency 16.9 to 18.6 GHz, Attenuation Adjustment Range 30 dB. Tags: Single Band. More details for LRU-16901860-Ka can be seen below.