The MXC859M20B4W15PS-01 from Dyne Tech is a Quadplexer with Attenuation 65 dB, Frequency 824 to 2360 MHz, Frequency1 824 to 849 MHz, Frequency2 869 to 894 MHz, Frequency3 2305 to 2315 MHz. Tags: Module With Connectors. More details for MXC859M20B4W15PS-01 can be seen below.