The TDC10-01G02S from Transcom is a Directional Coupler with Frequency 1 to 2 GHz, Coupling 10 dB, Coupling Variation ±1.0 dB, Amplitude Flatness ±0.5 dB, Directivity 20 dB. Tags: Module with Connectors. More details for TDC10-01G02S can be seen below.