The TS-4690 from Telewave is a Cross Band Couplers with Frequency 440 to 932 MHz, Frequency Band1 440 to 470 MHz, Frequency Band2 896 to 932 MHz, Insertion Loss Band1 0.2 dB, Insertion Loss Band2 0.2 dB. Tags: Module with Connector. More details for TS-4690 can be seen below.