Remote (wireless) devices have unique capability with a wide range. They invaded in field of medical. And hence by utilizing existing technology we are able to monitor patient detail with periodic interval. In order to overcome this, there was need to change recent remote technology.Here in paper we have presented a review (chronological) on existing technology for WSN health monitoring. We discussed advantages and challenges involved in remote medical device and technology respectively. As well we have focused on WPAN (Wireless Personal Area Network) technology, ZigBee, Wi-Fi and WiMAX.

Keywords : Wi-Fi, WiMax, Structural Health monitoring Design issues, Wireless Sensor Networks, etc.