The TS-1590 from Telewave is a Cross Band Couplers with Frequency 132 to 960 MHz, Frequency Band1 132 to 174 MHz, Frequency Band2 850 to 960 MHz, Insertion Loss Band1 0.2 dB, Insertion Loss Band2 0.2 dB. Tags: Module with Connector. More details for TS-1590 can be seen below.