The MXC1940M340B4W15PS-01 from Dyne Tech is a Quadplexer with Attenuation 65 to 90 dB, Frequency 1710 to 2170 MHz, Frequency1 1710 to 1770 MHz, Frequency2 2110 to 2170 MHz, Frequency3 1850 to 1910 MHz. Tags: Module With Connectors. More details for MXC1940M340B4W15PS-01 can be seen below.