The TS-4670 from Telewave is a Cross Band Couplers with Frequency 440 to 869 MHz, Frequency Band1 440 to 470 MHz, Frequency Band2 763 to 869 MHz, Insertion Loss Band1 0.2 dB, Insertion Loss Band2 0.2 dB. Tags: Module with Connector. More details for TS-4670 can be seen below.