The RSA2-W2x from Fiplex Communications is a Directional Coupler with Frequency 698 MHz to 2.690 GHz, Coupling 6 to 30 dB, Coupling Variation +/-1.0 dB, Directivity 20 dB, Average Power 200 W. Tags: Module with Connectors. More details for RSA2-W2x can be seen below.