The ZSU1032 is a directional coupler from Signal-Construct, a manufacturer of RF and microwave components. It is a 10 dB, 10-32 frequency division module that provides an accurate coupling between two RF ports connected to its ends. This module features low insertion loss, low reflection loss, and high isolation between ports. It is designed for low voltage applications, with no DC voltage present on the port. The ZSU1032 is capable of operating at frequencies ranging from DC to 32GHz. Additionally, it comes with a temperature range of -55 to 85 degrees Celsius.