The LTT-4900-21-1RU from Tampa Microwave is a Test Loop Translator with Downlink Frequency 950 MHz to 1.450 GHz, Uplink Frequency 5.85 to 6.425 GHz, Attenuation Adjustment Range 30 dB. Tags: Single Band. More details for LTT-4900-21-1RU can be seen below.