Z-Wave.Me RaZberry2 - Z-Wave Plug-On Module for Raspberry Pi (US frequency)
Z-Wave.Me - RaZberry 2 Z-Wave+ expansion board for Raspberry Pi
Z-Wave.Me RaZberry 7 Pro - Z-Wave Plug-On Module for Raspberry Pi (US Frequency), Great for DIY Smart Home. Compatible with Z-Way and Home Assistant Black - Newegg.com
Z-Wave.Me RaZberry2 - Z-Wave Plug-On Module for Raspberry Pi (US frequency)