Item arrived very quickly, and words fantastically - used to replace an old landline auto dialer for monitoring a customers' steam boiler. The new unit will be expanded to monitor 3 other critical systems in the factory.
We had an initial niggle that Support were able to resolve quickly.
Wouldn't hesitate to recommend, and Control Freq are our go-to for GSM applications :)
6 years ago
ControlFreq has a
5.0
average rating
from
182
reviews
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