The JFCM0703T2690MDF from JQL Electronics is a Multiplexer with Attenuation 80 to 110 dB, Frequency 703 to 748 MHz (UL), 758 to 803 MHz (DL) / 824 to 849 MHz (UL) / 869 to 894 MHz (DL) / 1850 to 1915 MHz (UL) / 1930 to 1995 MHz (DL) / 1710 to 1755 MHz (UL) / 2110 to 2155 MHz (DL) / 2500 to 2570 MHz (UL) / 2620 to 2690 MHz (DL), Insertion Loss 1 to 3 dB, Isolation 90 to 110 dB, Power handling 50 W. Tags: Module with Connectors. More details for JFCM0703T2690MDF can be seen below.