Anadigm’s RFID reader 3.3v and 5v volt chip set solutions that allows system vendors to design and maintain a single “universal” reader that can be customized to read different radio frequency identification (RFID) tag types, with different modulation types and frequencies. RangeMaster™ family fully supports HF and UHF protocols- EPC Global Gen 1 and Gen 2 (class 0, 1, 2) and ISO18000-6 standards.

RangeMaster1 (5v) and RangeMaster2 (3.3v) are a two-chip set comprised of a dynamically programmable analog signal processor (dpASP) in conjunction with an RFID State Machine. This enables system designers to develop a universal RFID tag reader that can support multiple protocols and frequencies for Universal Fixed Readers, Portable/Handheld Readers, Combination Bar Code and RFID Reader/Scanners. By allowing standardization around a single printed circuit board to support multiple end products and markets, RangeMaster2™ simplifies and improves product development. This next generation of RangeMaster™ not only reduces development time and ownership costs of fixed systems, but also enables portable designs by reducing supply voltage requirements and power consumption.

RangeMaster offers the user a choice of four different baseband analog signal processing circuits: Universal, EPC Gen 2 (Twin or Triple) or Class 0. RangeMaster™ 2 also supports the ability for the user to select from 16 predefined values of the upper and the lower sub-carrier frequencies and choose digital or analog outputs. With its easy to use control word access via a serial peripheral interface (SPI), the user has the ability to adjust multiple parameters without disruption to the signal path.

Because the RangeMaster™ family is based on real time programmable analog technology, it allows for innovative system design. For example, the gain in the baseband analog signal processor of the RFID reader can be adjusted to dynamically optimize the tag read range in RangeMaster2™ systems. Also, the reader can be calibrated at the customer site to eliminate background interferences, such as that caused by fluorescent lighting. RangeMaster™ allows EPC2 frequency pair decoding or selectable single frequency decoding. The chipset also provides anti-saturation control and can extract all data frequencies from DC to 800 kHz, and selected frequencies up to 3.3 MHz. Like RangeMaster1™, more than one RangeMaster2™ signal processor can be managed by the RFID state machine providing increased optimization of the I and Q channels.

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