The 2611 from KRYTAR is a Directional Coupler with Frequency 1.7 to 26.5 GHz, Coupling 10 dB, Coupling Variation ±1 dB, Frequency Sensitivity ±0.4 to ±0.6 dB, Directivity 14 to 16 dB. Tags: Module with Connectors. More details for 2611 can be seen below.