The BLT-1750-KuE from Atlantic Microwave is a Test Loop Translator with Downlink Frequency 12000 to 12750 MHz, Uplink Frequency 13750 to 14500 MHz, LO Frequency 1750 MHz, Attenuation Adjustment Range 30 dB. Tags: Single Band. More details for BLT-1750-KuE can be seen below.