The BLT-1750-Ku from Atlantic Microwave is a Test Loop Translator with Downlink Frequency 12250 to 12750 MHz, Uplink Frequency 14000 to 14500 MHz, LO Frequency 1750 MHz, Attenuation Adjustment Range 30 dB. Tags: Single Band. More details for BLT-1750-Ku can be seen below.