Neutrik NXPA144035 Xirium Pro is a 5 GHz directional antenna 14dBi 40°H 35°V with N-adapter for pure receivers.A XIRIUM PRO device consists of a TX (transmitter) or RX (receiver) base unit and an input or output module. XIRIUM PRO offers the greatest flexibility available in a wireless audio system today. In order to make this flexibility possible, XIRIUM PRO offers a combination of 7 different input and output audio modules and 2 base units. There are modules, for analog (line-level), digital (AES/EBU), Dante, as well as a repeatermodule (RX only). Devices can be operated either directly on mains power or modules that contain lithium-Ion batteries on battery. These modules can be mixed and matched within each base unit allowing for a signal conversion from one type of signal to another. No matter what the audio signal type, XIRIUM PRO can handle it.