Non z-wave door/window sensor, any tips?

I have tried out the Aeotec gen 7 door/window (z-wave) sensors, and am REALLY disappointed by the super low maximum range between Homey and these sensors. They’re already out of homey’s z-wave range at 6 or more meters. Most likely this is due to homey, and not aeotec.

I would like anyone’s advice on alternatives perhaps other z-wave sensors (like fibaro) that perform better?
Perhaps zigbee, 868 or else?