I have two XB24-ZB (ID:4214A-XBBE2), Series2 Zigbee at 1mw, in a Coordinator - Router point to point setup, indoor. They both have wire dipole for antenna. The modules are rated to work up to 40meters away indoor.
At Max. Power setting [4] and Boost Mode Enabled, the maximum range I can get is 10 meters between them (range test with XCTU) and this when they are line of sight with antenna at the same height and parallel to each other. If I change the height by 1 meters the signal drops and link breaks.
I am in an open room with no obstacles, so it is almost an outdoor setup (office) and the WiFi router is about 15 meters away behind the set up.
I would be grateful if someone could let me know if the modules are faulty or there is something I have overlooked in the set up (using the wrong Firmware match).
Coordinator API Firmware : 21A7
Router API Firmware : 23A7
Many thanks for your help …