Rfid Frequency Range

A radio receiver and transmitter.

Rfid frequency range.

An rfid tag consists of a tiny radio transponder. This depends on rf transmit power the receive sensitivity the surroundings how much water is present the orientation of the tag frequency of operation and the care that s gone into designing the products planning and installing the system. Radio frequency identification rfid uses electromagnetic fields to automatically identify and track tags attached to objects. The rfid range limit changes for each technology.

Typical hf rfid applications include tracking library books patient flow tracking and transit tickets. Rfid range is fundamental. 125 134 khz low frequency lf an extremely long wavelength with usually a short read range of about 1 10 centimeters. Typically hf rfid systems work in ranges of inches but they can have a maximum read range of about three feet 1 meter.

High frequency tags work fairly well on objects made of metal and can work around goods with medium to high water content. Rfid radio frequency identification is a form of wireless communication that incorporates the use of electromagnetic or electrostatic coupling in the radio frequency portion of the electromagnetic spectrum to uniquely identify an object animal or person. Each rfid frequency range is different. There are three main frequencies within which passive rfid tags operate.

When triggered by an electromagnetic interrogation pulse from a nearby rfid reader device the tag transmits digital data usually an identifying inventory number back to the reader. Our active rfid range is 1km but passive rfid range is generally under 12m.