The TC-05180-6S from Talent Microwave Inc is a Directional Coupler with Frequency 500 MHz to 18 GHz, Coupling 6 dB, Coupling Variation ±1.0 dB, Frequency Sensitivity ± 1.0 dB, Directivity 10 to 12 dB. Tags: Module with Connectors. More details for TC-05180-6S can be seen below.