The RSA2-BW2x from Fiplex Communications is a Directional Coupler with Frequency 380 MHz to 2.7 GHz, Coupling 6 to 30 dB, Coupling Variation +/-1.0 to +/- 2.0 dB, Directivity 20 dB, Average Power 200 W. Tags: Module with Connectors. More details for RSA2-BW2x can be seen below.