The SQ20-1745K6SUA1 from KYOCERA AVX is a Quadplexer with Attenuation 28 to 80 dB, Frequency 1695.24 to 2199.85 MHz, Frequency1 1850.25 to 1914.75 MHz / 1930.25 to 1994.75 MHz / 1850.25 to 1995.75 MHz, Frequency2 1710.15 to 1779.85 MHz / 2110.15 to 2199.85 MHz / 1710.15 to 2199.85 MHz, Frequency3 1695.24 to 1709.76 MHz. Tags: Surface Mount. More details for SQ20-1745K6SUA1 can be seen below.