The TS-1545 from Telewave is a Cross Band Couplers with Frequency 132 to 470 MHz, Frequency Band1 132 to 174 MHz, Frequency Band2 406 to 470 MHz, Insertion Loss Band1 0.2 dB, Insertion Loss Band2 0.2 dB. Tags: Module with Connector. More details for TS-1545 can be seen below.