2-D or RFID? by By James A. Cooke DC Velocity Thats the question many companies face when they go to upgrade their item-level product identification systems from one-dimensional (1-D) bar codes. Compared with linear 1-D codes, both 2-D bar codes and radio-frequency identification (RFID) tags represent an enormous technological advance. But each system has its pros and cons, and choosing which road to take isnt always easy. In the end, the choice usually comes down to the users intended application and the kind of information it needs to convey. What RFID has going for it is that the technology does not require a line of sight for item visibility. With a bar-code symbol, whether 1- or 2-D, the machine or person wielding a scanner must be able to get a bead on the symbol in order to read it. There is no such requirement with RFID tags; they convey information wirelessly to an interrogator via an antenna. Read more:goo.gl/d7oXAl #technology #manufaturingnews #DCVelocity
Posted on: Wed, 15 Jan 2014 12:00:01 +0000
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