AJAX Hub 2 2G User Manual page 31

bar, we cannot guarantee all events and alarms by calls, SMS, or mobile
internet.
Be sure to check the Jeweller and Wings signal strength between the hub and all
devices at the place of installation. If the signal strength is low (a single bar), we
cannot guarantee a stable operation of the security system since a device with a
low signal strength may lose connection with the hub.
If the signal strength is insufficient, try moving the device (hub or detector)
as repositioning by 20 cm can significantly improve the signal reception. If
repositioning the device has no effect, try using a
Hub 2 should be hidden from direct view to reducing the likelihood of
sabotage or jamming. Also, keep in mind that the device is intended for
indoor installation only.
Do not place Hub 2:
Outdoors. Doing so may cause the device to malfunction or not work
correctly.
Near metal objects or mirrors, for example, in a metal cabinet. They
can shield and attenuate the radio signal.
Inside any premises with the temperature and humidity beyond the
range of permissible limits. Doing so may cause the device to
malfunction or not work properly.
Close to radio interference sources: less than 1 meter from the router
and power cables. This could result in the loss of connection with the
hub or devices connected to the range extender.
In places with low or unstable signal strength. This could result in the
loss of connection with connected devices.
Less than 1 meter away from Ajax wireless devices. This could result
in the loss of connection with the detectors.
range extender .