• 865-868MHz 5 dBi, RH Circular Polarization Patch Antenna

865-868MHz 5 dBi, RH Circular Polarization Patch Antenna, Fixed RP-TNC-female, RFID, Dimensions: 5.2"x5.2"x0.71"

Marca Laird Connectivity
Part Number S8655PRRTN

Quick look

Product Features: Single Polarity
Antenna Types: Directional Panel
Frequencies: 800-980 MHz
$149.39
Pricing may be subject to tariffs.

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UHF CIRCULARLY POLARIZED RFID ANTENNAS



Unless an RFID tag is located very close to a reader antenna, it is usually necessary to use circularly polarized (CP) reader antennas. In most RFID applications the orientation of the tags is random with respect to the reader antenna. Since tags are linearly polarized they would need to be exactly aligned (co-polarized) with a linearly polarized reader antenna for reading to take place successfully. Circularly polarized antennas do away with need to control the tags' orientation.


Circularly polarized antennas may be either left-hand (LHCP), or right-hand polarized (RHCP). Either type will work equally as well in the reading of RFID tags. The usefulness of deploying a mixture of LHCP and RHCP antennas occurs in situations where interference may be a problem. The signal from a LHCP antenna will not interfere with a RHCP antenna, and vice versa. Examples of this are when antennas connected to two different readers are co-located, or when a bi-static mode reader is used (in bi-static mode the reader uses separate transmitter and receiver antennas).


Antennas are available in LHCP and RHCP versions.


All antennas are weatherproof and UV resistant.


Data Sheet

Product Features Single Polarity
Antenna Types Directional Panel
Frequencies 800-980 MHz
Antenna Sizes 1 foot and smaller

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