We have previously bought another brand and couldn't get any of these except #1. It was a little confusing but once I understood the instructions they worked like a charm! (mind you, Tech and I don't get along). We are a dental clinic and cannot see patients in the waiting area, so instead of walking down the street looking for a patient, we have chosen to page the patient back to the office. Most of our patients do not have a cell phone or have limited data. These work perfectly!
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