Wi-Fi Devices Require Minimum Distance from Medical Equipment

Yesterday I posted about Wifi to power IoT. It proved that WiFi can send out energy that can power small electronics gadgets. But what else does that energy cause. We all know electronics that can get interference from cellular phones and other radio transmitters. WiFi devices (tablets, smart phones, IoT, base stations) all transmit RF signals, and can potentially cause interference to sensitive electronics that is not very well protected against it.

The interference to sensitive equipment has been long time concern on medical equipment field. At the same time wireless equipment have become more and more used inside hospitals (both by patients and doctors).  Study: Wi-Fi Devices Require Minimum Distance from Medical Equipment article tells that electromagnetic radiation caused by wireless technology can interfere with electronic medical equipment and lead to serious clinical consequences for patients. Hospitals often specify that staff members carrying wireless transmitters not approach sensitive electronic medical devices any closer than a designated minimum separation distance (MSD).

New research from Concordia University helps to define safety parameters for health-care workers carrying Wi-Fi devices: “We found that MSD policy really does work. If hospital staff comply fully with the policy, they can have a tablet in the same room as the patient and medical equipment without posing a danger”

According to the study, the risk reduces rapidly by increasing the MSD from zero to a small value. The risk does not decrease further, however, with larger minimum separation distances. The bottom line: keep your wireless device further than arm’s length from medical equipment and the risk of interference is very small.

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