RAVIRAJ Technologies established in 2004, is dedicated on manufacturing and providing rfid reader and rfid tags with high performance and low cost. Our leading products are rfid labels, rfid tags, smart card, rfid uhf reader, rfid handheld reader, rfid UHF antennas.

Raido frequency identification technology, is a new generation technology that has been widely used in our everyday life, such as security control, library management system, no-stop parking solution, logistic, jewelry management system, to enable item-level management, inventory and asset control.

In view of this promising market, RAVIRAJ Technologies are promoting more cost-effective rfid reader, rfid labels, rfid tags, rfid smart card so as to contribute and promote this cutting-edge technology forward. We believe, by lower cost of rfid reader and tags will greatly help creating a intelligent life and people will benefit from convenience of radio frequency identification technology.

RFID Application

• Employee ID, Access Control
• Laundry Identification
• Identify/Track Rental Items
• Mold/Tool Identification
• Automated Guided Vehicles
• Customer Loyalty Programs
• Gas Cylinder Identification
• Authentication/Verification
• Automated Airline Baggage Systems
• Products or Pallets in ASRS Systems
• Mining Conveyor Belt Identification
• Stacker/Reclaimer Systems in Mining
• Wafer Identification thru Manufacturing
• ID Prescriptions in Automated Pharmaceutical Systems
• Appliance Shells/Vehicle Body Parts thru Bake Ovens
• Tote/Pallet/Carrier ID of Widgets thru Manufacturing Processes
   

As a manufacturer we are distributing our high performance and cost-effective products worldwide. We develop products according to customers? require, to ensure high quality performance and make our reader and tags easily integrated to your system and solution. From RAVIRAJ Technologies, you will find a trustworthy partner. And together we can build a brilliant future by promoting rfid technology forward.

RFID Reader & tags are further broken down into two categories:

•  Active RFID Tags are battery powered. They broadcast a signal to the reader and can transmit over the greatest distances (100+ meters). Typically they can cost $10?$50 or more and are used to track high value goods like vehicles and large containers of goods. Shipboard containers are a good example of an active RFID tag application.

• Passive RFID Tags do not contain a battery. Instead, they draw their power from the radio wave transmitted by the reader. The reader transmits a low power radio signal through its antenna to the tag, which in turn receives it through its own antenna to power the integrated circuit (chip). The tag will briefly converse with the reader for verification and the exchange of data. As a result, passive tags can transmit information over shorter distances (typically 3 meters or less) than active tags. They have a smaller memory capacity and are considerably lower in cost (less than ?1), making them ideal for tracking lower cost items.

There are two basic types of chips available on RFID tags: Read-Only and Read-Write:

• Read-only chips are programmed with unique information stored on them during the manufacturing process?often referred to as a 'number plate' application. The information on read-only chips can not be changed.
• With Read-Write chips, the user can add information to the tag or write over existing information when the tag is within range of the reader. Read-Write chips are more expensive that Read-only chips. Applications for these may include field service maintenance or 'item attendant data'? where a maintenance record associated with a mechanical component is stored and updated on a tag attached to the component. Another method used is something called a "WORM" chip (Write Once Read Many). It can be written once and then becomes Read-only afterwards.

Use of RFID technology can increase business productivity and reduce associated costs. To ensure that companies benefit from the advantages RFID provides it is important to understand how to adopt this technology. By analyzing current practices and procedures eight main areas of benefit can be identified. These are:

• Improved Productivity and Cost Avoidance.
• Decreased Cycle Time and Taking Costs Out.
• Reduced Rework.
• Reduced Business Risk & Control of Assets.
• Improved Security and Service.
• Improved Utilization of Resources.
• Increased Revenues.
• Exception Management.

UHF (Ultra High Frequency)
Ultra High Frequency RFID operates between 902-928 MHz in North America and has read ranges up to approximately 10ft. UHF has become the most used option in Auto-ID applications due to its long read range and dropping costs. UHF does have more issues with interference but a well designed system can overcome these issues. UHF RFID is also well suited to mounting on label stock making it the perfect item/container level tag option.

More information about RFID http://www.rfid-product.com

 We provide companies with a complete and customized RFID solution. Radio Frequency Identification or RFID is the new generation Auto ID technology that uses radio or wireless communication to uniquely identify and transmit data relating to an item, object, or an individual. RFID systems can be used just about anywhere, from clothing tags to missiles to pet tags to food -- anywhere that a unique identification system is needed. The tag can carry information as simple as a pet owners name and address or the cleaning instruction on a sweater to as complex as instructions on how to assemble a car. Some auto manufacturers use RFID systems to move cars through an assembly line. At each successive stage of production, the RFID tag tells the computers what the next step of automated assembly is. One of the key differences between RFID and bar code technology is RFID eliminates the need for line-of-sight reading that bar coding depends on. Also, RFID scanning can be done at greater distances than bar code scanning. High frequency RFID systems (850 MHz to 950 MHz and 2.4 GHz to 2.5 GHz) offer transmission ranges of more than 90 feet, although wavelengths in the 2.4 GHz range are absorbed by water (the human body) and therefore has limitations.

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