Ei Electronics radio communication systems are very reliable and are tested to high
standards. However, due to their low transmitting power and limited range (required
by regulatory bodies) there are some limitations to be considered:
(i) Receivers may be blocked by radio signals occurring on or near their operating
frequencies, regardless of the House Coding.
(ii) Alarms with RadioLINK
+
modules should be tested regularly, at least weekly.
This is to determine whether there are sources of interference preventing
communication, that the radio paths have not been disrupted by moving furniture or
renovations, and if so, to give a warning of these and other faults.
18
Limitations of Radio
Communications
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