The ADRF-CBC-700-2600-4310 from Advanced RF Technologies is a Cross Band Couplers with Frequency 698 to 2690 MHz, Frequency Band1 698 to 940 MHz, Frequency Band2 1710 to 2690 MHz, Insertion Loss Band1 0.3 dB, Insertion Loss Band2 0.3 dB. Tags: Module with Connector. More details for ADRF-CBC-700-2600-4310 can be seen below.