The provided antennas, which are more than adequate, are dual band. The RP-SMA connector closest to the USB-C plug connects to the z-wave antenna. Here are the antenna specifications from the C-8 FCC submission.
The provided antennas, which are more than adequate, are dual band. The RP-SMA connector closest to the USB-C plug connects to the z-wave antenna. Here are the antenna specifications from the C-8 FCC submission.