active RFID - Business Directory https://biz.prlog.org/tag/active-rfid/ active RFID - Free business directory on PRLog.Org, latest companies listed first. 60 Phase IV Engineering, Inc. https://biz.prlog.org/Wireless_Sensing/ Designer and manufacturer of Wireless Sensing Solutions with expertise in sensor integration, ultra-miniature, battery-free passive RFID sensing, active RFID sensing and data loggers to measure temperature, humidity, pressure, shock, strain and more.Wed, 19 May 2010 19:14:59 GMT