Download Astral Wireless Protocols SpectraBand, NexLink, and Bluetooth
The Astral ARX32, ARX16, and ARX8 receivers are equipped with SpectraBand BNC antenna ports as well as SMA 2.4GHz NexLink antenna ports. The SpectraBand BNC antenna ports connect 50-ohm antennas to receive the SpectraBand digital carrier containing the audio information from the Astral HH, Astral TX, and Astral Mini transmitters.
The 2.4G SMA antennas connect to the SMA NexLink antenna ports to support the bi-directional control protocol of the transmitters called NexLink. For more information on NexLink please refer to NexLink Explained - Sound Devices. The 2.4 GHz antennas also support Bluetooth LE for connectivity to a smartphone or tablet to enable Country, Date, Time, and Frequency Authorization setup.