The LTT-2225-22-1RU from Tampa Microwave is a Test Loop Translator with Downlink Frequency 3.62 to 4.2 GHz, Uplink Frequency 5.85 to 6.425 GHz, Attenuation Adjustment Range 30 dB. Tags: Single Band. More details for LTT-2225-22-1RU can be seen below.