The R03-M1250-01 from SRTechnology Corporate is a PXI RF Multiplexer with Frequency 718 -748 MHz (Rx), 773 - 803 MHz (Tx) 900-915MHz (Rx), 945-960 MHz (Tx), 1427.9-1462.9 MHz (Rx), 1475.9-1510.9 MHz, (Tx) 1744.9-1784.9 MHZ, (Rx), 1839.9-1879.9 MHz (TX), Power 30 to 50 dBm. More details for R03-M1250-01 can be seen below.