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Iotera Develops Active RFID Tag With 4-Mile Read Range
The tag, which has a built-in GPS receiver, will be offered in consumer and enterprise versions, enabling users to identify a tag's location via an Iotera RFID reader and a hosted application.
For both the enterprise and consumer versions, Iotera provides a hosted, cloud-based server that receives data from the Wi-Fi-enabled reader and interprets that information, as well as sending notifications if so required by the user. A geofence could be set up in the software, for example, and if the tag were to move outside of that geofence, a text message or e-mail could be sent to an authorized party.
In the case of the enterprise solution, a rail company—which has asked not to be named—will pilot the technology by attaching tags to railcars. The enterprise version of the tag varies in size, according to the particular battery used. The dimensions of a tag that can operate for 10 years before its battery requires recharging, for instance, is 120 millimeters by 30 millimeters by 30 millimeters (4.7 inches by 1.2 inches by 1.2 inches). The tag transmits a signal that beacons at preset rates—such as every few hours—or when the tag senses it is moving. Iotera's software can store business requirements, such as which cars should be attached to which engines, and in what order. In that way, if the vehicles are being attached to the wrong engine or in the incorrect order, an alert can be triggered.
The consumer version of the tag is smaller, measuring 25 millimeters by 40 millimeters by 11 millimeters (1 inch by 1.6 inches by 0.4 inch). Under normal conditions, Wild says, the consumer tag should be able to operate for approximately five months before its battery must be recharged. As with the enterprise solution, perimeters can be set on the Iotera cloud-based server, such as the size and location of a geofence within which the tag is expected to remain. The consumer version of Iotera's reader—a device that stands less than a foot high—receives transmissions and forwards them to the server via a Wi-Fi connection. Iotera is developing an application for both the Apple and Android platforms that will enable users to access a tag's location data via their mobile phones or tablets, or receive alerts.
Both the consumer and enterprise tag models come with a buzzer that would allow the tag to identify itself if a user comes within close range. For example, when the Iotera app, running on a person's phone or tablet, indicates that the tag is within 30 feet, he or she could use the app to instruct the tag (via the reader) to buzz audibly.
Not only can the reader sold with a specific tag interrogate that tag's ID, Wild says, but it can also read the IDs of other Iotera tags within its vicinity, and then forward that data to the server. Therefore, he says, not everyone would require a reader but could use data culled from others within the vicinity, such as in a neighbor's living room. If a tag were to move beyond the 4-mile read range, other readers nearby could also send location data, thereby making it possible for users to track something—a missing pet, for instance—as long as it was within range of any Iotera reader.
In March of this year, Wild reports, Iotera expects to offer the consumer solution (a tag and a reader, as well as server access) for $100 and $150 on Kickstarter, in order to raise investment money. The goal, he explains, is to commercially release the consumer version during this year's fourth quarter, about six months after the Kickstarter campaign ends. The enterprise solution is expected to also be made commercially available around the same time, following several pilots. Wild says he expects to work with multiple systems integrators that already offer solutions to customers that might benefit from this technology. The price of the enterprise solution will vary, he says, though the tags are expected cost less than $100 apiece, depending on the sensors included. According to Wild, his company is presently working on a version of its solution that does not require Internet access to operate, and that will be released shortly after the cloud-based enterprise system becomes commercially available.
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