Aeotec Z-Stick 7 vs Smlight SLZB-MR5U

The Smlight SLZB-MR5U is the more capable device overall, with Ethernet, PoE and Wi-Fi placement, dual-network operation, a stronger amplifier, and Thread and Bluetooth proxy support. The Aeotec Z-Stick 7 wins only for Z-Wave, which the SLZB-MR5U cannot do, so for a Zigbee and Thread network the SLZB-MR5U leads.

Protocol and flexibility. The Aeotec Z-Stick 7 is a USB Z-Wave 700 controller. The Smlight SLZB-MR5U is a network-connected coordinator (Ethernet, PoE, Wi-Fi) that runs dual Zigbee and Thread networks with a Bluetooth proxy, but no Z-Wave.

The Smlight SLZB-MR5U can run two networks (such as Zigbee and Thread) at once, useful for mixed Zigbee and Matter-over-Thread setups. The Aeotec Z-Stick 7 has no equivalent, being a single-protocol Z-Wave controller.

The Smlight SLZB-MR5U, thanks to Ethernet, PoE and Wi-Fi connectivity and dual antennas that let it sit centrally on the network. The Aeotec Z-Stick 7 plugs into the host's USB port, so its location follows the server.

Buy the Smlight SLZB-MR5U if you want a network-connected coordinator with dual-network Zigbee and Thread, Bluetooth proxy and dual antennas for a robust Home Assistant mesh. It has no Z-Wave.

Buy the Aeotec Z-Stick 7 if you specifically need a dependable Z-Wave 700 controller for Home Assistant, openHAB or ioBroker. Plan to update its shipping firmware before adding devices.